PHPExcel_Calculation

# Source for file Calculation.php Documentation is available at Calculation.php <?php /** * PHPExcel * * Copyright (c) 2006 - 2011 PHPExcel * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * @category PHPExcel * @package PHPExcel_Calculation * @copyright Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel) * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL * @version 1.7.6, 2011-02-27 */ /** PHPExcel root directory */ if (!defined('PHPEXCEL_ROOT')) { /** * @ignore */ define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../'); require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php'); } if (!defined('CALCULATION_REGEXP_CELLREF')) { // Test for support of \P (multibyte options) in PCRE if(defined('PREG_BAD_UTF8_ERROR')) { // Cell reference (cell or range of cells, with or without a sheet reference) define('CALCULATION_REGEXP_CELLREF','((([^\s,!&%^\/\*\+<>=-]*)|(\'[^\']*\')|(\"[^\"]*\"))!)?\$?([a-z]{1,3})\$?(\d{1,7})'); // Named Range of cells define('CALCULATION_REGEXP_NAMEDRANGE','((([^\s,!&%^\/\*\+<>=-]*)|(\'[^\']*\')|(\"[^\"]*\"))!)?([_A-Z][_A-Z0-9\.]*)'); } else { // Cell reference (cell or range of cells, with or without a sheet reference) define('CALCULATION_REGEXP_CELLREF','(((\w*)|(\'[^\']*\')|(\"[^\"]*\"))!)?\$?([a-z]{1,3})\$?(\d+)'); // Named Range of cells define('CALCULATION_REGEXP_NAMEDRANGE','(((\w*)|(\'.*\')|(\".*\"))!)?([_A-Z][_A-Z0-9\.]*)'); } } /** * PHPExcel_Calculation (Singleton) * * @category PHPExcel * @package PHPExcel_Calculation * @copyright Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel) */ class PHPExcel_Calculation { /** Constants */ const CALCULATION_REGEXP_NUMBER = '[-+]?\d*\.?\d+(e[-+]?\d+)?'; // String operand const CALCULATION_REGEXP_STRING = '"(?:[^"]|"")*"'; // Opening bracket const CALCULATION_REGEXP_OPENBRACE = '\('; // Function (allow for the old @ symbol that could be used to prefix a function, but we'll ignore it) const CALCULATION_REGEXP_FUNCTION = '@?([A-Z][A-Z0-9\.]*)[\s]*\('; // Cell reference (cell or range of cells, with or without a sheet reference) const CALCULATION_REGEXP_CELLREF = CALCULATION_REGEXP_CELLREF; // Named Range of cells const CALCULATION_REGEXP_NAMEDRANGE = CALCULATION_REGEXP_NAMEDRANGE; // Error const CALCULATION_REGEXP_ERROR = '\#[A-Z][A-Z0_\/]*[!\?]?'; /** constants */ const RETURN_ARRAY_AS_ERROR = 'error'; const RETURN_ARRAY_AS_VALUE = 'value'; const RETURN_ARRAY_AS_ARRAY = 'array'; private static $returnArrayAsType = self::RETURN_ARRAY_AS_VALUE; /** * Instance of this class * * @access private * @var PHPExcel_Calculation */ private static $_instance; /** * Calculation cache * * @access private * @var array */ private static $_calculationCache = array (); /** * Calculation cache enabled * * @access private * @var boolean */ private static $_calculationCacheEnabled = true; /** * Calculation cache expiration time * * @access private * @var float */ private static $_calculationCacheExpirationTime = 15; /** * List of operators that can be used within formulae * The true/false value indicates whether it is a binary operator or a unary operator * * @access private * @var array */ private static $_operators = array('+' => true, '-' => true, '*' => true, '/' => true, '^' => true, '&' => true, '%' => false, '~' => false, '>' => true, '<' => true, '=' => true, '>=' => true, '<=' => true, '<>' => true, '|' => true, ':' => true ); /** * List of binary operators (those that expect two operands) * * @access private * @var array */ private static $_binaryOperators = array('+' => true, '-' => true, '*' => true, '/' => true, '^' => true, '&' => true, '>' => true, '<' => true, '=' => true, '>=' => true, '<=' => true, '<>' => true, '|' => true, ':' => true ); /** * Flag to determine how formula errors should be handled * If true, then a user error will be triggered * If false, then an exception will be thrown * * @access public * @var boolean * */ public $suppressFormulaErrors = false; /** * Error message for any error that was raised/thrown by the calculation engine * * @access public * @var string * */ public $formulaError = null; /** * Flag to determine whether a debug log should be generated by the calculation engine * If true, then a debug log will be generated * If false, then a debug log will not be generated * * @access public * @var boolean * */ public $writeDebugLog = false; /** * Flag to determine whether a debug log should be echoed by the calculation engine * If true, then a debug log will be echoed * If false, then a debug log will not be echoed * A debug log can only be echoed if it is generated * * @access public * @var boolean * */ public $echoDebugLog = false; /** * An array of the nested cell references accessed by the calculation engine, used for the debug log * * @access private * @var array of string * */ private $debugLogStack = array(); /** * The debug log generated by the calculation engine * * @access public * @var array of string * */ public $debugLog = array(); private $_cyclicFormulaCount = 0; private $_cyclicFormulaCell = ''; public $cyclicFormulaCount = 0; private $_savedPrecision = 12; private static $_localeLanguage = 'en_us'; // US English (default locale) private static $_validLocaleLanguages = array( 'en' // English (default language) ); private static $_localeArgumentSeparator = ','; private static $_localeFunctions = array(); public static $_localeBoolean = array( 'TRUE' => 'TRUE', 'FALSE' => 'FALSE', 'NULL' => 'NULL' ); // Constant conversion from text name/value to actual (datatyped) value private static $_ExcelConstants = array('TRUE' => true, 'FALSE' => false, 'NULL' => null ); // PHPExcel functions private static $_PHPExcelFunctions = array( // PHPExcel functions 'ABS' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'abs', 'argumentCount' => '1' ), 'ACCRINT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::ACCRINT', 'argumentCount' => '4-7' ), 'ACCRINTM' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::ACCRINTM', 'argumentCount' => '3-5' ), 'ACOS' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'acos', 'argumentCount' => '1' ), 'ACOSH' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'acosh', 'argumentCount' => '1' ), 'ADDRESS' => array('category' => PHPExcel_Calculation_Function::CATEGORY_LOOKUP_AND_REFERENCE, 'functionCall' => 'PHPExcel_Calculation_LookupRef::CELL_ADDRESS', 'argumentCount' => '2-5' ), 'AMORDEGRC' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::AMORDEGRC', 'argumentCount' => '6,7' ), 'AMORLINC' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::AMORLINC', 'argumentCount' => '6,7' ), 'AND' => array('category' => PHPExcel_Calculation_Function::CATEGORY_LOGICAL, 'functionCall' => 'PHPExcel_Calculation_Logical::LOGICAL_AND', 'argumentCount' => '1+' ), 'AREAS' => array('category' => PHPExcel_Calculation_Function::CATEGORY_LOOKUP_AND_REFERENCE, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '1' ), 'ASC' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '1' ), 'ASIN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'asin', 'argumentCount' => '1' ), 'ASINH' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'asinh', 'argumentCount' => '1' ), 'ATAN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'atan', 'argumentCount' => '1' ), 'ATAN2' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::ATAN2', 'argumentCount' => '2' ), 'ATANH' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'atanh', 'argumentCount' => '1' ), 'AVEDEV' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::AVEDEV', 'argumentCount' => '1+' ), 'AVERAGE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::AVERAGE', 'argumentCount' => '1+' ), 'AVERAGEA' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::AVERAGEA', 'argumentCount' => '1+' ), 'AVERAGEIF' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::AVERAGEIF', 'argumentCount' => '2,3' ), 'AVERAGEIFS' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '3+' ), 'BAHTTEXT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '1' ), 'BESSELI' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::BESSELI', 'argumentCount' => '2' ), 'BESSELJ' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::BESSELJ', 'argumentCount' => '2' ), 'BESSELK' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::BESSELK', 'argumentCount' => '2' ), 'BESSELY' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::BESSELY', 'argumentCount' => '2' ), 'BETADIST' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::BETADIST', 'argumentCount' => '3-5' ), 'BETAINV' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::BETAINV', 'argumentCount' => '3-5' ), 'BIN2DEC' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::BINTODEC', 'argumentCount' => '1' ), 'BIN2HEX' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::BINTOHEX', 'argumentCount' => '1,2' ), 'BIN2OCT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::BINTOOCT', 'argumentCount' => '1,2' ), 'BINOMDIST' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::BINOMDIST', 'argumentCount' => '4' ), 'CEILING' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::CEILING', 'argumentCount' => '2' ), 'CELL' => array('category' => PHPExcel_Calculation_Function::CATEGORY_INFORMATION, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '1,2' ), 'CHAR' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::CHARACTER', 'argumentCount' => '1' ), 'CHIDIST' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::CHIDIST', 'argumentCount' => '2' ), 'CHIINV' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::CHIINV', 'argumentCount' => '2' ), 'CHITEST' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '2' ), 'CHOOSE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_LOOKUP_AND_REFERENCE, 'functionCall' => 'PHPExcel_Calculation_LookupRef::CHOOSE', 'argumentCount' => '2+' ), 'CLEAN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::TRIMNONPRINTABLE', 'argumentCount' => '1' ), 'CODE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::ASCIICODE', 'argumentCount' => '1' ), 'COLUMN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_LOOKUP_AND_REFERENCE, 'functionCall' => 'PHPExcel_Calculation_LookupRef::COLUMN', 'argumentCount' => '-1', 'passByReference' => array(true) ), 'COLUMNS' => array('category' => PHPExcel_Calculation_Function::CATEGORY_LOOKUP_AND_REFERENCE, 'functionCall' => 'PHPExcel_Calculation_LookupRef::COLUMNS', 'argumentCount' => '1' ), 'COMBIN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::COMBIN', 'argumentCount' => '2' ), 'COMPLEX' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::COMPLEX', 'argumentCount' => '2,3' ), 'CONCATENATE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::CONCATENATE', 'argumentCount' => '1+' ), 'CONFIDENCE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::CONFIDENCE', 'argumentCount' => '3' ), 'CONVERT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::CONVERTUOM', 'argumentCount' => '3' ), 'CORREL' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::CORREL', 'argumentCount' => '2' ), 'COS' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'cos', 'argumentCount' => '1' ), 'COSH' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'cosh', 'argumentCount' => '1' ), 'COUNT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::COUNT', 'argumentCount' => '1+' ), 'COUNTA' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::COUNTA', 'argumentCount' => '1+' ), 'COUNTBLANK' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::COUNTBLANK', 'argumentCount' => '1' ), 'COUNTIF' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::COUNTIF', 'argumentCount' => '2' ), 'COUNTIFS' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '2' ), 'COUPDAYBS' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::COUPDAYBS', 'argumentCount' => '3,4' ), 'COUPDAYS' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::COUPDAYS', 'argumentCount' => '3,4' ), 'COUPDAYSNC' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::COUPDAYSNC', 'argumentCount' => '3,4' ), 'COUPNCD' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::COUPNCD', 'argumentCount' => '3,4' ), 'COUPNUM' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::COUPNUM', 'argumentCount' => '3,4' ), 'COUPPCD' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::COUPPCD', 'argumentCount' => '3,4' ), 'COVAR' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::COVAR', 'argumentCount' => '2' ), 'CRITBINOM' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::CRITBINOM', 'argumentCount' => '3' ), 'CUBEKPIMEMBER' => array('category' => PHPExcel_Calculation_Function::CATEGORY_CUBE, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '?' ), 'CUBEMEMBER' => array('category' => PHPExcel_Calculation_Function::CATEGORY_CUBE, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '?' ), 'CUBEMEMBERPROPERTY' => array('category' => PHPExcel_Calculation_Function::CATEGORY_CUBE, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '?' ), 'CUBERANKEDMEMBER' => array('category' => PHPExcel_Calculation_Function::CATEGORY_CUBE, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '?' ), 'CUBESET' => array('category' => PHPExcel_Calculation_Function::CATEGORY_CUBE, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '?' ), 'CUBESETCOUNT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_CUBE, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '?' ), 'CUBEVALUE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_CUBE, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '?' ), 'CUMIPMT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::CUMIPMT', 'argumentCount' => '6' ), 'CUMPRINC' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::CUMPRINC', 'argumentCount' => '6' ), 'DATE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATE_AND_TIME, 'functionCall' => 'PHPExcel_Calculation_DateTime::DATE', 'argumentCount' => '3' ), 'DATEDIF' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATE_AND_TIME, 'functionCall' => 'PHPExcel_Calculation_DateTime::DATEDIF', 'argumentCount' => '2,3' ), 'DATEVALUE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATE_AND_TIME, 'functionCall' => 'PHPExcel_Calculation_DateTime::DATEVALUE', 'argumentCount' => '1' ), 'DAVERAGE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATABASE, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '3' ), 'DAY' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATE_AND_TIME, 'functionCall' => 'PHPExcel_Calculation_DateTime::DAYOFMONTH', 'argumentCount' => '1' ), 'DAYS360' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATE_AND_TIME, 'functionCall' => 'PHPExcel_Calculation_DateTime::DAYS360', 'argumentCount' => '2,3' ), 'DB' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::DB', 'argumentCount' => '4,5' ), 'DCOUNT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATABASE, 'functionCall' => 'PHPExcel_Calculation_Database::DCOUNT', 'argumentCount' => '3' ), 'DCOUNTA' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATABASE, 'functionCall' => 'PHPExcel_Calculation_Database::DCOUNTA', 'argumentCount' => '3' ), 'DDB' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::DDB', 'argumentCount' => '4,5' ), 'DEC2BIN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::DECTOBIN', 'argumentCount' => '1,2' ), 'DEC2HEX' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::DECTOHEX', 'argumentCount' => '1,2' ), 'DEC2OCT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::DECTOOCT', 'argumentCount' => '1,2' ), 'DEGREES' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'rad2deg', 'argumentCount' => '1' ), 'DELTA' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::DELTA', 'argumentCount' => '1,2' ), 'DEVSQ' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::DEVSQ', 'argumentCount' => '1+' ), 'DGET' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATABASE, 'functionCall' => 'PHPExcel_Calculation_Database::DGET', 'argumentCount' => '3' ), 'DISC' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::DISC', 'argumentCount' => '4,5' ), 'DMAX' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATABASE, 'functionCall' => 'PHPExcel_Calculation_Database::DMAX', 'argumentCount' => '3' ), 'DMIN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATABASE, 'functionCall' => 'PHPExcel_Calculation_Database::DMIN', 'argumentCount' => '3' ), 'DOLLAR' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::DOLLAR', 'argumentCount' => '1,2' ), 'DOLLARDE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::DOLLARDE', 'argumentCount' => '2' ), 'DOLLARFR' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::DOLLARFR', 'argumentCount' => '2' ), 'DPRODUCT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATABASE, 'functionCall' => 'PHPExcel_Calculation_Database::DPRODUCT', 'argumentCount' => '3' ), 'DSTDEV' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATABASE, 'functionCall' => 'PHPExcel_Calculation_Database::DSTDEV', 'argumentCount' => '3' ), 'DSTDEVP' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATABASE, 'functionCall' => 'PHPExcel_Calculation_Database::DSTDEVP', 'argumentCount' => '3' ), 'DSUM' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATABASE, 'functionCall' => 'PHPExcel_Calculation_Database::DSUM', 'argumentCount' => '3' ), 'DURATION' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '5,6' ), 'DVAR' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATABASE, 'functionCall' => 'PHPExcel_Calculation_Database::DVAR', 'argumentCount' => '3' ), 'DVARP' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATABASE, 'functionCall' => 'PHPExcel_Calculation_Database::DVARP', 'argumentCount' => '3' ), 'EDATE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATE_AND_TIME, 'functionCall' => 'PHPExcel_Calculation_DateTime::EDATE', 'argumentCount' => '2' ), 'EFFECT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::EFFECT', 'argumentCount' => '2' ), 'EOMONTH' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATE_AND_TIME, 'functionCall' => 'PHPExcel_Calculation_DateTime::EOMONTH', 'argumentCount' => '2' ), 'ERF' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::ERF', 'argumentCount' => '1,2' ), 'ERFC' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::ERFC', 'argumentCount' => '1' ), 'ERROR.TYPE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_INFORMATION, 'functionCall' => 'PHPExcel_Calculation_Functions::ERROR_TYPE', 'argumentCount' => '1' ), 'EVEN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::EVEN', 'argumentCount' => '1' ), 'EXACT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '2' ), 'EXP' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'exp', 'argumentCount' => '1' ), 'EXPONDIST' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::EXPONDIST', 'argumentCount' => '3' ), 'FACT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::FACT', 'argumentCount' => '1' ), 'FACTDOUBLE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::FACTDOUBLE', 'argumentCount' => '1' ), 'FALSE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_LOGICAL, 'functionCall' => 'PHPExcel_Calculation_Logical::FALSE', 'argumentCount' => '0' ), 'FDIST' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '3' ), 'FIND' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::SEARCHSENSITIVE', 'argumentCount' => '2,3' ), 'FINDB' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::SEARCHSENSITIVE', 'argumentCount' => '2,3' ), 'FINV' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '3' ), 'FISHER' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::FISHER', 'argumentCount' => '1' ), 'FISHERINV' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::FISHERINV', 'argumentCount' => '1' ), 'FIXED' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::FIXEDFORMAT', 'argumentCount' => '1-3' ), 'FLOOR' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::FLOOR', 'argumentCount' => '2' ), 'FORECAST' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::FORECAST', 'argumentCount' => '3' ), 'FREQUENCY' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '2' ), 'FTEST' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '2' ), 'FV' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::FV', 'argumentCount' => '3-5' ), 'FVSCHEDULE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::FVSCHEDULE', 'argumentCount' => '2' ), 'GAMMADIST' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::GAMMADIST', 'argumentCount' => '4' ), 'GAMMAINV' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::GAMMAINV', 'argumentCount' => '3' ), 'GAMMALN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::GAMMALN', 'argumentCount' => '1' ), 'GCD' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::GCD', 'argumentCount' => '1+' ), 'GEOMEAN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::GEOMEAN', 'argumentCount' => '1+' ), 'GESTEP' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::GESTEP', 'argumentCount' => '1,2' ), 'GETPIVOTDATA' => array('category' => PHPExcel_Calculation_Function::CATEGORY_LOOKUP_AND_REFERENCE, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '2+' ), 'GROWTH' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::GROWTH', 'argumentCount' => '1-4' ), 'HARMEAN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::HARMEAN', 'argumentCount' => '1+' ), 'HEX2BIN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::HEXTOBIN', 'argumentCount' => '1,2' ), 'HEX2DEC' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::HEXTODEC', 'argumentCount' => '1' ), 'HEX2OCT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::HEXTOOCT', 'argumentCount' => '1,2' ), 'HLOOKUP' => array('category' => PHPExcel_Calculation_Function::CATEGORY_LOOKUP_AND_REFERENCE, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '3,4' ), 'HOUR' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATE_AND_TIME, 'functionCall' => 'PHPExcel_Calculation_DateTime::HOUROFDAY', 'argumentCount' => '1' ), 'HYPERLINK' => array('category' => PHPExcel_Calculation_Function::CATEGORY_LOOKUP_AND_REFERENCE, 'functionCall' => 'PHPExcel_Calculation_LookupRef::HYPERLINK', 'argumentCount' => '1,2', 'passCellReference'=> true ), 'HYPGEOMDIST' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::HYPGEOMDIST', 'argumentCount' => '4' ), 'IF' => array('category' => PHPExcel_Calculation_Function::CATEGORY_LOGICAL, 'functionCall' => 'PHPExcel_Calculation_Logical::STATEMENT_IF', 'argumentCount' => '1-3' ), 'IFERROR' => array('category' => PHPExcel_Calculation_Function::CATEGORY_LOGICAL, 'functionCall' => 'PHPExcel_Calculation_Logical::IFERROR', 'argumentCount' => '2' ), 'IMABS' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::IMABS', 'argumentCount' => '1' ), 'IMAGINARY' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::IMAGINARY', 'argumentCount' => '1' ), 'IMARGUMENT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::IMARGUMENT', 'argumentCount' => '1' ), 'IMCONJUGATE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::IMCONJUGATE', 'argumentCount' => '1' ), 'IMCOS' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::IMCOS', 'argumentCount' => '1' ), 'IMDIV' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::IMDIV', 'argumentCount' => '2' ), 'IMEXP' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::IMEXP', 'argumentCount' => '1' ), 'IMLN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::IMLN', 'argumentCount' => '1' ), 'IMLOG10' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::IMLOG10', 'argumentCount' => '1' ), 'IMLOG2' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::IMLOG2', 'argumentCount' => '1' ), 'IMPOWER' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::IMPOWER', 'argumentCount' => '2' ), 'IMPRODUCT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::IMPRODUCT', 'argumentCount' => '1+' ), 'IMREAL' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::IMREAL', 'argumentCount' => '1' ), 'IMSIN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::IMSIN', 'argumentCount' => '1' ), 'IMSQRT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::IMSQRT', 'argumentCount' => '1' ), 'IMSUB' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::IMSUB', 'argumentCount' => '2' ), 'IMSUM' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::IMSUM', 'argumentCount' => '1+' ), 'INDEX' => array('category' => PHPExcel_Calculation_Function::CATEGORY_LOOKUP_AND_REFERENCE, 'functionCall' => 'PHPExcel_Calculation_LookupRef::INDEX', 'argumentCount' => '1-4' ), 'INDIRECT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_LOOKUP_AND_REFERENCE, 'functionCall' => 'PHPExcel_Calculation_LookupRef::INDIRECT', 'argumentCount' => '1,2', 'passCellReference'=> true ), 'INFO' => array('category' => PHPExcel_Calculation_Function::CATEGORY_INFORMATION, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '1' ), 'INT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::INT', 'argumentCount' => '1' ), 'INTERCEPT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::INTERCEPT', 'argumentCount' => '2' ), 'INTRATE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::INTRATE', 'argumentCount' => '4,5' ), 'IPMT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::IPMT', 'argumentCount' => '4-6' ), 'IRR' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::IRR', 'argumentCount' => '1,2' ), 'ISBLANK' => array('category' => PHPExcel_Calculation_Function::CATEGORY_INFORMATION, 'functionCall' => 'PHPExcel_Calculation_Functions::IS_BLANK', 'argumentCount' => '1' ), 'ISERR' => array('category' => PHPExcel_Calculation_Function::CATEGORY_INFORMATION, 'functionCall' => 'PHPExcel_Calculation_Functions::IS_ERR', 'argumentCount' => '1' ), 'ISERROR' => array('category' => PHPExcel_Calculation_Function::CATEGORY_INFORMATION, 'functionCall' => 'PHPExcel_Calculation_Functions::IS_ERROR', 'argumentCount' => '1' ), 'ISEVEN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_INFORMATION, 'functionCall' => 'PHPExcel_Calculation_Functions::IS_EVEN', 'argumentCount' => '1' ), 'ISLOGICAL' => array('category' => PHPExcel_Calculation_Function::CATEGORY_INFORMATION, 'functionCall' => 'PHPExcel_Calculation_Functions::IS_LOGICAL', 'argumentCount' => '1' ), 'ISNA' => array('category' => PHPExcel_Calculation_Function::CATEGORY_INFORMATION, 'functionCall' => 'PHPExcel_Calculation_Functions::IS_NA', 'argumentCount' => '1' ), 'ISNONTEXT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_INFORMATION, 'functionCall' => 'PHPExcel_Calculation_Functions::IS_NONTEXT', 'argumentCount' => '1' ), 'ISNUMBER' => array('category' => PHPExcel_Calculation_Function::CATEGORY_INFORMATION, 'functionCall' => 'PHPExcel_Calculation_Functions::IS_NUMBER', 'argumentCount' => '1' ), 'ISODD' => array('category' => PHPExcel_Calculation_Function::CATEGORY_INFORMATION, 'functionCall' => 'PHPExcel_Calculation_Functions::IS_ODD', 'argumentCount' => '1' ), 'ISPMT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::ISPMT', 'argumentCount' => '4' ), 'ISREF' => array('category' => PHPExcel_Calculation_Function::CATEGORY_INFORMATION, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '1' ), 'ISTEXT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_INFORMATION, 'functionCall' => 'PHPExcel_Calculation_Functions::IS_TEXT', 'argumentCount' => '1' ), 'JIS' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '1' ), 'KURT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::KURT', 'argumentCount' => '1+' ), 'LARGE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::LARGE', 'argumentCount' => '2' ), 'LCM' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::LCM', 'argumentCount' => '1+' ), 'LEFT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::LEFT', 'argumentCount' => '1,2' ), 'LEFTB' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::LEFT', 'argumentCount' => '1,2' ), 'LEN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::STRINGLENGTH', 'argumentCount' => '1' ), 'LENB' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::STRINGLENGTH', 'argumentCount' => '1' ), 'LINEST' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::LINEST', 'argumentCount' => '1-4' ), 'LN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'log', 'argumentCount' => '1' ), 'LOG' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::LOG_BASE', 'argumentCount' => '1,2' ), 'LOG10' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'log10', 'argumentCount' => '1' ), 'LOGEST' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::LOGEST', 'argumentCount' => '1-4' ), 'LOGINV' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::LOGINV', 'argumentCount' => '3' ), 'LOGNORMDIST' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::LOGNORMDIST', 'argumentCount' => '3' ), 'LOOKUP' => array('category' => PHPExcel_Calculation_Function::CATEGORY_LOOKUP_AND_REFERENCE, 'functionCall' => 'PHPExcel_Calculation_LookupRef::LOOKUP', 'argumentCount' => '2,3' ), 'LOWER' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::LOWERCASE', 'argumentCount' => '1' ), 'MATCH' => array('category' => PHPExcel_Calculation_Function::CATEGORY_LOOKUP_AND_REFERENCE, 'functionCall' => 'PHPExcel_Calculation_LookupRef::MATCH', 'argumentCount' => '2,3' ), 'MAX' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::MAX', 'argumentCount' => '1+' ), 'MAXA' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::MAXA', 'argumentCount' => '1+' ), 'MAXIF' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::MAXIF', 'argumentCount' => '2+' ), 'MDETERM' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::MDETERM', 'argumentCount' => '1' ), 'MDURATION' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '5,6' ), 'MEDIAN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::MEDIAN', 'argumentCount' => '1+' ), 'MEDIANIF' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '2+' ), 'MID' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::MID', 'argumentCount' => '3' ), 'MIDB' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::MID', 'argumentCount' => '3' ), 'MIN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::MIN', 'argumentCount' => '1+' ), 'MINA' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::MINA', 'argumentCount' => '1+' ), 'MINIF' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::MINIF', 'argumentCount' => '2+' ), 'MINUTE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATE_AND_TIME, 'functionCall' => 'PHPExcel_Calculation_DateTime::MINUTEOFHOUR', 'argumentCount' => '1' ), 'MINVERSE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::MINVERSE', 'argumentCount' => '1' ), 'MIRR' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::MIRR', 'argumentCount' => '3' ), 'MMULT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::MMULT', 'argumentCount' => '2' ), 'MOD' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::MOD', 'argumentCount' => '2' ), 'MODE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::MODE', 'argumentCount' => '1+' ), 'MONTH' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATE_AND_TIME, 'functionCall' => 'PHPExcel_Calculation_DateTime::MONTHOFYEAR', 'argumentCount' => '1' ), 'MROUND' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::MROUND', 'argumentCount' => '2' ), 'MULTINOMIAL' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::MULTINOMIAL', 'argumentCount' => '1+' ), 'N' => array('category' => PHPExcel_Calculation_Function::CATEGORY_INFORMATION, 'functionCall' => 'PHPExcel_Calculation_Functions::N', 'argumentCount' => '1' ), 'NA' => array('category' => PHPExcel_Calculation_Function::CATEGORY_INFORMATION, 'functionCall' => 'PHPExcel_Calculation_Functions::NA', 'argumentCount' => '0' ), 'NEGBINOMDIST' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::NEGBINOMDIST', 'argumentCount' => '3' ), 'NETWORKDAYS' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATE_AND_TIME, 'functionCall' => 'PHPExcel_Calculation_DateTime::NETWORKDAYS', 'argumentCount' => '2+' ), 'NOMINAL' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::NOMINAL', 'argumentCount' => '2' ), 'NORMDIST' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::NORMDIST', 'argumentCount' => '4' ), 'NORMINV' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::NORMINV', 'argumentCount' => '3' ), 'NORMSDIST' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::NORMSDIST', 'argumentCount' => '1' ), 'NORMSINV' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::NORMSINV', 'argumentCount' => '1' ), 'NOT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_LOGICAL, 'functionCall' => 'PHPExcel_Calculation_Logical::NOT', 'argumentCount' => '1' ), 'NOW' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATE_AND_TIME, 'functionCall' => 'PHPExcel_Calculation_DateTime::DATETIMENOW', 'argumentCount' => '0' ), 'NPER' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::NPER', 'argumentCount' => '3-5' ), 'NPV' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::NPV', 'argumentCount' => '2+' ), 'OCT2BIN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::OCTTOBIN', 'argumentCount' => '1,2' ), 'OCT2DEC' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::OCTTODEC', 'argumentCount' => '1' ), 'OCT2HEX' => array('category' => PHPExcel_Calculation_Function::CATEGORY_ENGINEERING, 'functionCall' => 'PHPExcel_Calculation_Engineering::OCTTOHEX', 'argumentCount' => '1,2' ), 'ODD' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::ODD', 'argumentCount' => '1' ), 'ODDFPRICE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '8,9' ), 'ODDFYIELD' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '8,9' ), 'ODDLPRICE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '7,8' ), 'ODDLYIELD' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '7,8' ), 'OFFSET' => array('category' => PHPExcel_Calculation_Function::CATEGORY_LOOKUP_AND_REFERENCE, 'functionCall' => 'PHPExcel_Calculation_LookupRef::OFFSET', 'argumentCount' => '3,5', 'passCellReference'=> true, 'passByReference' => array(true) ), 'OR' => array('category' => PHPExcel_Calculation_Function::CATEGORY_LOGICAL, 'functionCall' => 'PHPExcel_Calculation_Logical::LOGICAL_OR', 'argumentCount' => '1+' ), 'PEARSON' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::CORREL', 'argumentCount' => '2' ), 'PERCENTILE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::PERCENTILE', 'argumentCount' => '2' ), 'PERCENTRANK' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::PERCENTRANK', 'argumentCount' => '2,3' ), 'PERMUT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::PERMUT', 'argumentCount' => '2' ), 'PHONETIC' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '1' ), 'PI' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'pi', 'argumentCount' => '0' ), 'PMT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::PMT', 'argumentCount' => '3-5' ), 'POISSON' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::POISSON', 'argumentCount' => '3' ), 'POWER' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::POWER', 'argumentCount' => '2' ), 'PPMT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::PPMT', 'argumentCount' => '4-6' ), 'PRICE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::PRICE', 'argumentCount' => '6,7' ), 'PRICEDISC' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::PRICEDISC', 'argumentCount' => '4,5' ), 'PRICEMAT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::PRICEMAT', 'argumentCount' => '5,6' ), 'PROB' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '3,4' ), 'PRODUCT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::PRODUCT', 'argumentCount' => '1+' ), 'PROPER' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::PROPERCASE', 'argumentCount' => '1' ), 'PV' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::PV', 'argumentCount' => '3-5' ), 'QUARTILE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::QUARTILE', 'argumentCount' => '2' ), 'QUOTIENT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::QUOTIENT', 'argumentCount' => '2' ), 'RADIANS' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'deg2rad', 'argumentCount' => '1' ), 'RAND' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::RAND', 'argumentCount' => '0' ), 'RANDBETWEEN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::RAND', 'argumentCount' => '2' ), 'RANK' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::RANK', 'argumentCount' => '2,3' ), 'RATE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::RATE', 'argumentCount' => '3-6' ), 'RECEIVED' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::RECEIVED', 'argumentCount' => '4-5' ), 'REPLACE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::REPLACE', 'argumentCount' => '4' ), 'REPLACEB' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::REPLACE', 'argumentCount' => '4' ), 'REPT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'str_repeat', 'argumentCount' => '2' ), 'RIGHT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::RIGHT', 'argumentCount' => '1,2' ), 'RIGHTB' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::RIGHT', 'argumentCount' => '1,2' ), 'ROMAN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::ROMAN', 'argumentCount' => '1,2' ), 'ROUND' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'round', 'argumentCount' => '2' ), 'ROUNDDOWN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::ROUNDDOWN', 'argumentCount' => '2' ), 'ROUNDUP' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::ROUNDUP', 'argumentCount' => '2' ), 'ROW' => array('category' => PHPExcel_Calculation_Function::CATEGORY_LOOKUP_AND_REFERENCE, 'functionCall' => 'PHPExcel_Calculation_LookupRef::ROW', 'argumentCount' => '-1', 'passByReference' => array(true) ), 'ROWS' => array('category' => PHPExcel_Calculation_Function::CATEGORY_LOOKUP_AND_REFERENCE, 'functionCall' => 'PHPExcel_Calculation_LookupRef::ROWS', 'argumentCount' => '1' ), 'RSQ' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::RSQ', 'argumentCount' => '2' ), 'RTD' => array('category' => PHPExcel_Calculation_Function::CATEGORY_LOOKUP_AND_REFERENCE, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '1+' ), 'SEARCH' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::SEARCHINSENSITIVE', 'argumentCount' => '2,3' ), 'SEARCHB' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::SEARCHINSENSITIVE', 'argumentCount' => '2,3' ), 'SECOND' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATE_AND_TIME, 'functionCall' => 'PHPExcel_Calculation_DateTime::SECONDOFMINUTE', 'argumentCount' => '1' ), 'SERIESSUM' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::SERIESSUM', 'argumentCount' => '4' ), 'SIGN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::SIGN', 'argumentCount' => '1' ), 'SIN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'sin', 'argumentCount' => '1' ), 'SINH' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'sinh', 'argumentCount' => '1' ), 'SKEW' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::SKEW', 'argumentCount' => '1+' ), 'SLN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::SLN', 'argumentCount' => '3' ), 'SLOPE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::SLOPE', 'argumentCount' => '2' ), 'SMALL' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::SMALL', 'argumentCount' => '2' ), 'SQRT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'sqrt', 'argumentCount' => '1' ), 'SQRTPI' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::SQRTPI', 'argumentCount' => '1' ), 'STANDARDIZE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::STANDARDIZE', 'argumentCount' => '3' ), 'STDEV' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::STDEV', 'argumentCount' => '1+' ), 'STDEVA' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::STDEVA', 'argumentCount' => '1+' ), 'STDEVP' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::STDEVP', 'argumentCount' => '1+' ), 'STDEVPA' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::STDEVPA', 'argumentCount' => '1+' ), 'STEYX' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::STEYX', 'argumentCount' => '2' ), 'SUBSTITUTE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::SUBSTITUTE', 'argumentCount' => '3,4' ), 'SUBTOTAL' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::SUBTOTAL', 'argumentCount' => '2+' ), 'SUM' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::SUM', 'argumentCount' => '1+' ), 'SUMIF' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::SUMIF', 'argumentCount' => '2,3' ), 'SUMIFS' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '?' ), 'SUMPRODUCT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::SUMPRODUCT', 'argumentCount' => '1+' ), 'SUMSQ' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::SUMSQ', 'argumentCount' => '1+' ), 'SUMX2MY2' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::SUMX2MY2', 'argumentCount' => '2' ), 'SUMX2PY2' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::SUMX2PY2', 'argumentCount' => '2' ), 'SUMXMY2' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::SUMXMY2', 'argumentCount' => '2' ), 'SYD' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::SYD', 'argumentCount' => '4' ), 'T' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::RETURNSTRING', 'argumentCount' => '1' ), 'TAN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'tan', 'argumentCount' => '1' ), 'TANH' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'tanh', 'argumentCount' => '1' ), 'TBILLEQ' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::TBILLEQ', 'argumentCount' => '3' ), 'TBILLPRICE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::TBILLPRICE', 'argumentCount' => '3' ), 'TBILLYIELD' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::TBILLYIELD', 'argumentCount' => '3' ), 'TDIST' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::TDIST', 'argumentCount' => '3' ), 'TEXT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::TEXTFORMAT', 'argumentCount' => '2' ), 'TIME' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATE_AND_TIME, 'functionCall' => 'PHPExcel_Calculation_DateTime::TIME', 'argumentCount' => '3' ), 'TIMEVALUE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATE_AND_TIME, 'functionCall' => 'PHPExcel_Calculation_DateTime::TIMEVALUE', 'argumentCount' => '1' ), 'TINV' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::TINV', 'argumentCount' => '2' ), 'TODAY' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATE_AND_TIME, 'functionCall' => 'PHPExcel_Calculation_DateTime::DATENOW', 'argumentCount' => '0' ), 'TRANSPOSE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_LOOKUP_AND_REFERENCE, 'functionCall' => 'PHPExcel_Calculation_LookupRef::TRANSPOSE', 'argumentCount' => '1' ), 'TREND' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::TREND', 'argumentCount' => '1-4' ), 'TRIM' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::TRIMSPACES', 'argumentCount' => '1' ), 'TRIMMEAN' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::TRIMMEAN', 'argumentCount' => '2' ), 'TRUE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_LOGICAL, 'functionCall' => 'PHPExcel_Calculation_Logical::TRUE', 'argumentCount' => '0' ), 'TRUNC' => array('category' => PHPExcel_Calculation_Function::CATEGORY_MATH_AND_TRIG, 'functionCall' => 'PHPExcel_Calculation_MathTrig::TRUNC', 'argumentCount' => '1,2' ), 'TTEST' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '4' ), 'TYPE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_INFORMATION, 'functionCall' => 'PHPExcel_Calculation_Functions::TYPE', 'argumentCount' => '1' ), 'UPPER' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_TextData::UPPERCASE', 'argumentCount' => '1' ), 'USDOLLAR' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '2' ), 'VALUE' => array('category' => PHPExcel_Calculation_Function::CATEGORY_TEXT_AND_DATA, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '1' ), 'VAR' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::VARFunc', 'argumentCount' => '1+' ), 'VARA' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::VARA', 'argumentCount' => '1+' ), 'VARP' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::VARP', 'argumentCount' => '1+' ), 'VARPA' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::VARPA', 'argumentCount' => '1+' ), 'VDB' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '5-7' ), 'VERSION' => array('category' => PHPExcel_Calculation_Function::CATEGORY_INFORMATION, 'functionCall' => 'PHPExcel_Calculation_Functions::VERSION', 'argumentCount' => '0' ), 'VLOOKUP' => array('category' => PHPExcel_Calculation_Function::CATEGORY_LOOKUP_AND_REFERENCE, 'functionCall' => 'PHPExcel_Calculation_LookupRef::VLOOKUP', 'argumentCount' => '3,4' ), 'WEEKDAY' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATE_AND_TIME, 'functionCall' => 'PHPExcel_Calculation_DateTime::DAYOFWEEK', 'argumentCount' => '1,2' ), 'WEEKNUM' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATE_AND_TIME, 'functionCall' => 'PHPExcel_Calculation_DateTime::WEEKOFYEAR', 'argumentCount' => '1,2' ), 'WEIBULL' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::WEIBULL', 'argumentCount' => '4' ), 'WORKDAY' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATE_AND_TIME, 'functionCall' => 'PHPExcel_Calculation_DateTime::WORKDAY', 'argumentCount' => '2+' ), 'XIRR' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::XIRR', 'argumentCount' => '2,3' ), 'XNPV' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::XNPV', 'argumentCount' => '3' ), 'YEAR' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATE_AND_TIME, 'functionCall' => 'PHPExcel_Calculation_DateTime::YEAR', 'argumentCount' => '1' ), 'YEARFRAC' => array('category' => PHPExcel_Calculation_Function::CATEGORY_DATE_AND_TIME, 'functionCall' => 'PHPExcel_Calculation_DateTime::YEARFRAC', 'argumentCount' => '2,3' ), 'YIELD' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Functions::DUMMY', 'argumentCount' => '6,7' ), 'YIELDDISC' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::YIELDDISC', 'argumentCount' => '4,5' ), 'YIELDMAT' => array('category' => PHPExcel_Calculation_Function::CATEGORY_FINANCIAL, 'functionCall' => 'PHPExcel_Calculation_Financial::YIELDMAT', 'argumentCount' => '5,6' ), 'ZTEST' => array('category' => PHPExcel_Calculation_Function::CATEGORY_STATISTICAL, 'functionCall' => 'PHPExcel_Calculation_Statistical::ZTEST', 'argumentCount' => '2-3' ) ); // Internal functions used for special control purposes private static $_controlFunctions = array( 'MKMATRIX' => array('argumentCount' => '*', 'functionCall' => 'self::_mkMatrix' ) ); private function __construct() { $localeFileDirectory = PHPEXCEL_ROOT.'PHPExcel/locale/'; foreach (glob($localeFileDirectory.'/*',GLOB_ONLYDIR) as $filename) { $filename = substr($filename,strlen($localeFileDirectory)+1); if ($filename != 'en') { self::$_validLocaleLanguages[] = $filename; } } $setPrecision = (PHP_INT_SIZE == 4) ? 12 : 16; $this->_savedPrecision = ini_get('precision'); if ($this->_savedPrecision < $setPrecision) { ini_set('precision',$setPrecision); } } // function __construct() public function __destruct() { ini_set('precision',$this->_savedPrecision); } /** * Get an instance of this class * * @access public * @return PHPExcel_Calculation */ public static function getInstance() { if (!isset(self::$_instance) || is_null(self::$_instance)) { self::$_instance = new PHPExcel_Calculation(); } return self::$_instance; } // function getInstance() /** * Flush the calculation cache for any existing instance of this class * but only if a PHPExcel_Calculation instance exists * * @access public * @return null */ public static function flushInstance() { if (isset(self::$_instance) && !is_null(self::$_instance)) { self::$_instance->clearCalculationCache(); } } // function flushInstance() /** * __clone implementation. Cloning should not be allowed in a Singleton! * * @access public * @throws Exception */ public final function __clone() { throw new Exception ('Cloning a Singleton is not allowed!'); } // function __clone() /** * Return the locale-specific translation of TRUE * * @access public * @return string locale-specific translation of TRUE */ public static function getTRUE() { return self::$_localeBoolean['TRUE']; } /** * Return the locale-specific translation of FALSE * * @access public * @return string locale-specific translation of FALSE */ public static function getFALSE() { return self::$_localeBoolean['FALSE']; } /** * Set the Array Return Type (Array or Value of first element in the array) * * @access public * @param string $returnType Array return type * @return boolean Success or failure */ public static function setArrayReturnType($returnType) { if (($returnType == self::RETURN_ARRAY_AS_VALUE) || ($returnType == self::RETURN_ARRAY_AS_ERROR) || ($returnType == self::RETURN_ARRAY_AS_ARRAY)) { self::$returnArrayAsType = $returnType; return true; } return false; } // function setExcelCalendar() /** * Return the Array Return Type (Array or Value of first element in the array) * * @access public * @return string $returnType Array return type */ public static function getArrayReturnType() { return self::$returnArrayAsType; } // function getExcelCalendar() /** * Is calculation caching enabled? * * @access public * @return boolean */ public function getCalculationCacheEnabled() { return self::$_calculationCacheEnabled; } // function getCalculationCacheEnabled() /** * Enable/disable calculation cache * * @access public * @param boolean $pValue */ public function setCalculationCacheEnabled($pValue = true) { self::$_calculationCacheEnabled = $pValue; $this->clearCalculationCache(); } // function setCalculationCacheEnabled() /** * Enable calculation cache */ public function enableCalculationCache() { $this->setCalculationCacheEnabled(true); } // function enableCalculationCache() /** * Disable calculation cache */ public function disableCalculationCache() { $this->setCalculationCacheEnabled(false); } // function disableCalculationCache() /** * Clear calculation cache */ public function clearCalculationCache() { self::$_calculationCache = array(); } // function clearCalculationCache() /** * Get calculation cache expiration time * * @return float */ public function getCalculationCacheExpirationTime() { return self::$_calculationCacheExpirationTime; } // getCalculationCacheExpirationTime() /** * Set calculation cache expiration time * * @param float $pValue */ public function setCalculationCacheExpirationTime($pValue = 15) { self::$_calculationCacheExpirationTime = $pValue; } // function setCalculationCacheExpirationTime() /** * Get the currently defined locale code * * @return string */ public function getLocale() { return self::$_localeLanguage; } // function getLocale() /** * Set the locale code * * @return boolean */ public function setLocale($locale='en_us') { // Identify our locale and language $language = $locale = strtolower($locale); if (strpos($locale,'_') !== false) { list($language) = explode('_',$locale); } // Test whether we have any language data for this language (any locale) if (in_array($language,self::$_validLocaleLanguages)) { // initialise language/locale settings self::$_localeFunctions = array(); self::$_localeArgumentSeparator = ','; self::$_localeBoolean = array('TRUE' => 'TRUE', 'FALSE' => 'FALSE', 'NULL' => 'NULL'); // Default is English, if user isn't requesting english, then read the necessary data from the locale files if ($locale != 'en_us') { // Search for a file with a list of function names for locale $functionNamesFile = PHPEXCEL_ROOT . 'PHPExcel/locale/'.str_replace('_','/',$locale).'/functions'; if (!file_exists($functionNamesFile)) { // If there isn't a locale specific function file, look for a language specific function file $functionNamesFile = PHPEXCEL_ROOT . 'PHPExcel/locale/'.$language.'/functions'; if (!file_exists($functionNamesFile)) { return false; } } // Retrieve the list of locale or language specific function names $localeFunctions = file($functionNamesFile,FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES); foreach ($localeFunctions as $localeFunction) { list($localeFunction) = explode('##',$localeFunction); // Strip out comments if (strpos($localeFunction,'=') !== false) { list($fName,$lfName) = explode('=',$localeFunction); $fName = trim($fName); $lfName = trim($lfName); if ((isset(self::$_PHPExcelFunctions[$fName])) && ($lfName != '') && ($fName != $lfName)) { self::$_localeFunctions[$fName] = $lfName; } } } // Default the TRUE and FALSE constants to the locale names of the TRUE() and FALSE() functions if (isset(self::$_localeFunctions['TRUE'])) { self::$_localeBoolean['TRUE'] = self::$_localeFunctions['TRUE']; } if (isset(self::$_localeFunctions['FALSE'])) { self::$_localeBoolean['FALSE'] = self::$_localeFunctions['FALSE']; } $configFile = PHPEXCEL_ROOT . 'PHPExcel/locale/'.str_replace('_','/',$locale).'/config'; if (!file_exists($configFile)) { $configFile = PHPEXCEL_ROOT . 'PHPExcel/locale/'.$language.'/config'; } if (file_exists($configFile)) { $localeSettings = file($configFile,FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES); foreach ($localeSettings as $localeSetting) { list($localeSetting) = explode('##',$localeSetting); // Strip out comments if (strpos($localeSetting,'=') !== false) { list($settingName,$settingValue) = explode('=',$localeSetting); $settingName = strtoupper(trim($settingName)); switch ($settingName) { case 'ARGUMENTSEPARATOR' : self::$_localeArgumentSeparator = trim($settingValue); break; } } } } } self::$functionReplaceFromExcel = self::$functionReplaceToExcel = self::$functionReplaceFromLocale = self::$functionReplaceToLocale = null; self::$_localeLanguage = $locale; return true; } return false; } // function setLocale() public static function _translateSeparator($fromSeparator,$toSeparator,$formula,&$inBraces) { $strlen = mb_strlen($formula); for ($i = 0; $i < $strlen; ++$i) { $chr = mb_substr($formula,$i,1); switch ($chr) { case '{' : $inBraces = true; break; case '}' : $inBraces = false; break; case $fromSeparator : if (!$inBraces) { $formula = mb_substr($formula,0,$i).$toSeparator.mb_substr($formula,$i+1); } } } return $formula; } private static function _translateFormula($from,$to,$formula,$fromSeparator,$toSeparator) { // Convert any Excel function names to the required language if (self::$_localeLanguage !== 'en_us') { $inBraces = false; // If there is the possibility of braces within a quoted string, then we don't treat those as matrix indicators if (strpos($formula,'"') !== false) { // So instead we skip replacing in any quoted strings by only replacing in every other array element after we've exploded // the formula $temp = explode('"',$formula); $i = false; foreach($temp as &$value) { // Only count/replace in alternating array entries if ($i = !$i) { $value = preg_replace($from,$to,$value); $value = self::_translateSeparator($fromSeparator,$toSeparator,$value,$inBraces); } } unset($value); // Then rebuild the formula string $formula = implode('"',$temp); } else { // If there's no quoted strings, then we do a simple count/replace $formula = preg_replace($from,$to,$formula); $formula = self::_translateSeparator($fromSeparator,$toSeparator,$formula,$inBraces); } } return $formula; } private static $functionReplaceFromExcel = null; private static $functionReplaceToLocale = null; public function _translateFormulaToLocale($formula) { if (is_null(self::$functionReplaceFromExcel)) { self::$functionReplaceFromExcel = array(); foreach(array_keys(self::$_localeFunctions) as $excelFunctionName) { self::$functionReplaceFromExcel[] = '/(@?[^\w\.])'.preg_quote($excelFunctionName).'([\s]*\()/Ui'; } foreach(array_keys(self::$_localeBoolean) as $excelBoolean) { self::$functionReplaceFromExcel[] = '/(@?[^\w\.])'.preg_quote($excelBoolean).'([^\w\.])/Ui'; } } if (is_null(self::$functionReplaceToLocale)) { self::$functionReplaceToLocale = array(); foreach(array_values(self::$_localeFunctions) as $localeFunctionName) { self::$functionReplaceToLocale[] = '$1'.trim($localeFunctionName).'$2'; } foreach(array_values(self::$_localeBoolean) as $localeBoolean) { self::$functionReplaceToLocale[] = '$1'.trim($localeBoolean).'$2'; } } return self::_translateFormula(self::$functionReplaceFromExcel,self::$functionReplaceToLocale,$formula,',',self::$_localeArgumentSeparator); } // function _translateFormulaToLocale() private static $functionReplaceFromLocale = null; private static $functionReplaceToExcel = null; public function _translateFormulaToEnglish($formula) { if (is_null(self::$functionReplaceFromLocale)) { self::$functionReplaceFromLocale = array(); foreach(array_values(self::$_localeFunctions) as $localeFunctionName) { self::$functionReplaceFromLocale[] = '/(@?[^\w\.])'.preg_quote($localeFunctionName).'([\s]*\()/Ui'; } foreach(array_values(self::$_localeBoolean) as $excelBoolean) { self::$functionReplaceFromLocale[] = '/(@?[^\w\.])'.preg_quote($excelBoolean).'([^\w\.])/Ui'; } } if (is_null(self::$functionReplaceToExcel)) { self::$functionReplaceToExcel = array(); foreach(array_keys(self::$_localeFunctions) as $excelFunctionName) { self::$functionReplaceToExcel[] = '$1'.trim($excelFunctionName).'$2'; } foreach(array_keys(self::$_localeBoolean) as $excelBoolean) { self::$functionReplaceToExcel[] = '$1'.trim($excelBoolean).'$2'; } } return self::_translateFormula(self::$functionReplaceFromLocale,self::$functionReplaceToExcel,$formula,self::$_localeArgumentSeparator,','); } // function _translateFormulaToEnglish() public static function _localeFunc($function) { if (self::$_localeLanguage !== 'en_us') { $functionName = trim($function,'('); if (isset(self::$_localeFunctions[$functionName])) { $brace = ($functionName != $function); $function = self::$_localeFunctions[$functionName]; if ($brace) { $function .= '('; } } } return $function; } /** * Wrap string values in quotes * * @param mixed $value * @return mixed */ public static function _wrapResult($value) { if (is_string($value)) { // Error values cannot be "wrapped" if (preg_match('/^'.self::CALCULATION_REGEXP_ERROR.'$/i', $value, $match)) { // Return Excel errors "as is" return $value; } // Return strings wrapped in quotes return '"'.$value.'"'; // Convert numeric errors to NaN error } else if((is_float($value)) && ((is_nan($value)) || (is_infinite($value)))) { return PHPExcel_Calculation_Functions::NaN(); } return $value; } // function _wrapResult() /** * Remove quotes used as a wrapper to identify string values * * @param mixed $value * @return mixed */ public static function _unwrapResult($value) { if (is_string($value)) { if ((isset($value{0})) && ($value{0} == '"') && (substr($value,-1) == '"')) { return substr($value,1,-1); } // Convert numeric errors to NaN error } else if((is_float($value)) && ((is_nan($value)) || (is_infinite($value)))) { return PHPExcel_Calculation_Functions::NaN(); } return $value; } // function _unwrapResult() /** * Calculate cell value (using formula from a cell ID) * Retained for backward compatibility * * @access public * @param PHPExcel_Cell $pCell Cell to calculate * @return mixed * @throws Exception */ public function calculate(PHPExcel_Cell $pCell = null) { try { return $this->calculateCellValue($pCell); } catch (Exception $e) { throw(new Exception($e->getMessage())); } } // function calculate() /** * Calculate the value of a cell formula * * @access public * @param PHPExcel_Cell $pCell Cell to calculate * @param Boolean $resetLog Flag indicating whether the debug log should be reset or not * @return mixed * @throws Exception */ public function calculateCellValue(PHPExcel_Cell $pCell = null, $resetLog = true) { if ($resetLog) { // Initialise the logging settings if requested $this->formulaError = null; $this->debugLog = $this->debugLogStack = array(); $this->_cyclicFormulaCount = 1; $returnArrayAsType = self::$returnArrayAsType; self::$returnArrayAsType = self::RETURN_ARRAY_AS_ARRAY; } // Read the formula from the cell if (is_null($pCell)) { return null; } if ($resetLog) { self::$returnArrayAsType = $returnArrayAsType; } // Execute the calculation for the cell formula try { $result = self::_unwrapResult($this->_calculateFormulaValue($pCell->getValue(), $pCell->getCoordinate(), $pCell)); } catch (Exception $e) { throw(new Exception($e->getMessage())); } if ((is_array($result)) && (self::$returnArrayAsType != self::RETURN_ARRAY_AS_ARRAY)) { $testResult = PHPExcel_Calculation_Functions::flattenArray($result); if (self::$returnArrayAsType == self::RETURN_ARRAY_AS_ERROR) { return PHPExcel_Calculation_Functions::VALUE(); } // If there's only a single cell in the array, then we allow it if (count($testResult) != 1) { // If keys are numeric, then it's a matrix result rather than a cell range result, so we permit it $r = array_keys($result); $r = array_shift($r); if (!is_numeric($r)) { return PHPExcel_Calculation_Functions::VALUE(); } if (is_array($result[$r])) { $c = array_keys($result[$r]); $c = array_shift($c); if (!is_numeric($c)) { return PHPExcel_Calculation_Functions::VALUE(); } } } $result = array_shift($testResult); } if (is_null($result)) { return 0; } elseif((is_float($result)) && ((is_nan($result)) || (is_infinite($result)))) { return PHPExcel_Calculation_Functions::NaN(); } return $result; } // function calculateCellValue( /** * Validate and parse a formula string * * @param string $formula Formula to parse * @return array * @throws Exception */ public function parseFormula($formula) { // Basic validation that this is indeed a formula // We return an empty array if not $formula = trim($formula); if ((!isset($formula{0})) || ($formula{0} != '=')) return array(); $formula = ltrim(substr($formula,1)); if (!isset($formula{0})) return array(); // Parse the formula and return the token stack return $this->_parseFormula($formula); } // function parseFormula() /** * Calculate the value of a formula * * @param string $formula Formula to parse * @return mixed * @throws Exception */ public function calculateFormula($formula, $cellID=null, PHPExcel_Cell $pCell = null) { // Initialise the logging settings $this->formulaError = null; $this->debugLog = $this->debugLogStack = array(); // Disable calculation cacheing because it only applies to cell calculations, not straight formulae // But don't actually flush any cache $resetCache = $this->getCalculationCacheEnabled(); self::$_calculationCacheEnabled = false; // Execute the calculation try { $result = self::_unwrapResult($this->_calculateFormulaValue($formula, $cellID, $pCell)); } catch (Exception $e) { throw(new Exception($e->getMessage())); } // Reset calculation cacheing to its previous state self::$_calculationCacheEnabled = $resetCache; return $result; } // function calculateFormula() /** * Parse a cell formula and calculate its value * * @param string $formula The formula to parse and calculate * @param string $cellID The ID (e.g. A3) of the cell that we are calculating * @param PHPExcel_Cell $pCell Cell to calculate * @return mixed * @throws Exception */ public function _calculateFormulaValue($formula, $cellID=null, PHPExcel_Cell $pCell = null) { // echo '<b>'.$cellID.'</b><br />'; $cellValue = ''; // Basic validation that this is indeed a formula // We simply return the "cell value" (formula) if not $formula = trim($formula); if ($formula{0} != '=') return self::_wrapResult($formula); $formula = ltrim(substr($formula,1)); if (!isset($formula{0})) return self::_wrapResult($formula); $wsTitle = "\x00Wrk"; if (!is_null($pCell)) { $pCellParent = $pCell->getParent(); if (!is_null($pCellParent)) { $wsTitle = $pCellParent->getTitle(); } } // Is calculation cacheing enabled? if (!is_null($cellID)) { if (self::$_calculationCacheEnabled) { // Is the value present in calculation cache? // echo 'Testing cache value<br />'; if (isset(self::$_calculationCache[$wsTitle][$cellID])) { // echo 'Value is in cache<br />'; $this->_writeDebug('Testing cache value for cell '.$cellID); // Is cache still valid? if ((microtime(true) - self::$_calculationCache[$wsTitle][$cellID]['time']) < self::$_calculationCacheExpirationTime) { // echo 'Cache time is still valid<br />'; $this->_writeDebug('Retrieving value for '.$cellID.' from cache'); // Return the cached result $returnValue = self::$_calculationCache[$wsTitle][$cellID]['data']; // echo 'Retrieving data value of '.$returnValue.' for '.$cellID.' from cache<br />'; if (is_array($returnValue)) { $returnValue = PHPExcel_Calculation_Functions::flattenArray($returnValue); return array_shift($returnValue); } return $returnValue; } else { // echo 'Cache has expired<br />'; $this->_writeDebug('Cache value for '.$cellID.' has expired'); // Clear the cache if it's no longer valid unset(self::$_calculationCache[$wsTitle][$cellID]); } } } } if ((in_array($wsTitle.'!'.$cellID,$this->debugLogStack)) && ($wsTitle != "\x00Wrk")) { if ($this->cyclicFormulaCount <= 0) { return $this->_raiseFormulaError('Cyclic Reference in Formula'); } elseif (($this->_cyclicFormulaCount >= $this->cyclicFormulaCount) && ($this->_cyclicFormulaCell == $wsTitle.'!'.$cellID)) { return $cellValue; } elseif ($this->_cyclicFormulaCell == $wsTitle.'!'.$cellID) { ++$this->_cyclicFormulaCount; if ($this->_cyclicFormulaCount >= $this->cyclicFormulaCount) { return $cellValue; } } elseif ($this->_cyclicFormulaCell == '') { $this->_cyclicFormulaCell = $wsTitle.'!'.$cellID; if ($this->_cyclicFormulaCount >= $this->cyclicFormulaCount) { return $cellValue; } } } $this->debugLogStack[] = $wsTitle.'!'.$cellID; // Parse the formula onto the token stack and calculate the value $cellValue = $this->_processTokenStack($this->_parseFormula($formula, $pCell), $cellID, $pCell); array_pop($this->debugLogStack); // Save to calculation cache if (!is_null($cellID)) { if (self::$_calculationCacheEnabled) { self::$_calculationCache[$wsTitle][$cellID]['time'] = microtime(true); self::$_calculationCache[$wsTitle][$cellID]['data'] = $cellValue; } } // Return the calculated value return $cellValue; } // function _calculateFormulaValue() /** * Ensure that paired matrix operands are both matrices and of the same size * * @param mixed &$operand1 First matrix operand * @param mixed &$operand2 Second matrix operand * @param integer $resize Flag indicating whether the matrices should be resized to match * and (if so), whether the smaller dimension should grow or the * larger should shrink. * 0 = no resize * 1 = shrink to fit * 2 = extend to fit */ private static function _checkMatrixOperands(&$operand1,&$operand2,$resize = 1) { // Examine each of the two operands, and turn them into an array if they aren't one already // Note that this function should only be called if one or both of the operand is already an array if (!is_array($operand1)) { list($matrixRows,$matrixColumns) = self::_getMatrixDimensions($operand2); $operand1 = array_fill(0,$matrixRows,array_fill(0,$matrixColumns,$operand1)); $resize = 0; } elseif (!is_array($operand2)) { list($matrixRows,$matrixColumns) = self::_getMatrixDimensions($operand1); $operand2 = array_fill(0,$matrixRows,array_fill(0,$matrixColumns,$operand2)); $resize = 0; } list($matrix1Rows,$matrix1Columns) = self::_getMatrixDimensions($operand1); list($matrix2Rows,$matrix2Columns) = self::_getMatrixDimensions($operand2); if (($matrix1Rows == $matrix2Columns) && ($matrix2Rows == $matrix1Columns)) { $resize = 1; } if ($resize == 2) { // Given two matrices of (potentially) unequal size, convert the smaller in each dimension to match the larger self::_resizeMatricesExtend($operand1,$operand2,$matrix1Rows,$matrix1Columns,$matrix2Rows,$matrix2Columns); } elseif ($resize == 1) { // Given two matrices of (potentially) unequal size, convert the larger in each dimension to match the smaller self::_resizeMatricesShrink($operand1,$operand2,$matrix1Rows,$matrix1Columns,$matrix2Rows,$matrix2Columns); } return array( $matrix1Rows,$matrix1Columns,$matrix2Rows,$matrix2Columns); } // function _checkMatrixOperands() /** * Read the dimensions of a matrix, and re-index it with straight numeric keys starting from row 0, column 0 * * @param mixed &$matrix matrix operand * @return array An array comprising the number of rows, and number of columns */ public static function _getMatrixDimensions(&$matrix) { $matrixRows = count($matrix); $matrixColumns = 0; foreach($matrix as $rowKey => $rowValue) { $matrixColumns = max(count($rowValue),$matrixColumns); if (!is_array($rowValue)) { $matrix[$rowKey] = array($rowValue); } else { $matrix[$rowKey] = array_values($rowValue); } } $matrix = array_values($matrix); return array($matrixRows,$matrixColumns); } // function _getMatrixDimensions() /** * Ensure that paired matrix operands are both matrices of the same size * * @param mixed &$matrix1 First matrix operand * @param mixed &$matrix2 Second matrix operand */ private static function _resizeMatricesShrink(&$matrix1,&$matrix2,$matrix1Rows,$matrix1Columns,$matrix2Rows,$matrix2Columns) { if (($matrix2Columns < $matrix1Columns) || ($matrix2Rows < $matrix1Rows)) { if ($matrix2Columns < $matrix1Columns) { for ($i = 0; $i < $matrix1Rows; ++$i) { for ($j = $matrix2Columns; $j < $matrix1Columns; ++$j) { unset($matrix1[$i][$j]); } } } if ($matrix2Rows < $matrix1Rows) { for ($i = $matrix2Rows; $i < $matrix1Rows; ++$i) { unset($matrix1[$i]); } } } if (($matrix1Columns < $matrix2Columns) || ($matrix1Rows < $matrix2Rows)) { if ($matrix1Columns < $matrix2Columns) { for ($i = 0; $i < $matrix2Rows; ++$i) { for ($j = $matrix1Columns; $j < $matrix2Columns; ++$j) { unset($matrix2[$i][$j]); } } } if ($matrix1Rows < $matrix2Rows) { for ($i = $matrix1Rows; $i < $matrix2Rows; ++$i) { unset($matrix2[$i]); } } } } // function _resizeMatricesShrink() /** * Ensure that paired matrix operands are both matrices of the same size * * @param mixed &$matrix1 First matrix operand * @param mixed &$matrix2 Second matrix operand */ private static function _resizeMatricesExtend(&$matrix1,&$matrix2,$matrix1Rows,$matrix1Columns,$matrix2Rows,$matrix2Columns) { if (($matrix2Columns < $matrix1Columns) || ($matrix2Rows < $matrix1Rows)) { if ($matrix2Columns < $matrix1Columns) { for ($i = 0; $i < $matrix2Rows; ++$i) { $x = $matrix2[$i][$matrix2Columns-1]; for ($j = $matrix2Columns; $j < $matrix1Columns; ++$j) { $matrix2[$i][$j] = $x; } } } if ($matrix2Rows < $matrix1Rows) { $x = $matrix2[$matrix2Rows-1]; for ($i = 0; $i < $matrix1Rows; ++$i) { $matrix2[$i] = $x; } } } if (($matrix1Columns < $matrix2Columns) || ($matrix1Rows < $matrix2Rows)) { if ($matrix1Columns < $matrix2Columns) { for ($i = 0; $i < $matrix1Rows; ++$i) { $x = $matrix1[$i][$matrix1Columns-1]; for ($j = $matrix1Columns; $j < $matrix2Columns; ++$j) { $matrix1[$i][$j] = $x; } } } if ($matrix1Rows < $matrix2Rows) { $x = $matrix1[$matrix1Rows-1]; for ($i = 0; $i < $matrix2Rows; ++$i) { $matrix1[$i] = $x; } } } } // function _resizeMatricesExtend() /** * Format details of an operand for display in the log (based on operand type) * * @param mixed $value First matrix operand * @return mixed */ private function _showValue($value) { if ($this->writeDebugLog) { $testArray = PHPExcel_Calculation_Functions::flattenArray($value); if (count($testArray) == 1) { $value = array_pop($testArray); } if (is_array($value)) { $returnMatrix = array(); $pad = $rpad = ', '; foreach($value as $row) { if (is_array($row)) { $returnMatrix[] = implode($pad,$row); $rpad = '; '; } else { $returnMatrix[] = $row; } } return '{ '.implode($rpad,$returnMatrix).' }'; } elseif(is_bool($value)) { return ($value) ? self::$_localeBoolean['TRUE'] : self::$_localeBoolean['FALSE']; } } return $value; } // function _showValue() /** * Format type and details of an operand for display in the log (based on operand type) * * @param mixed $value First matrix operand * @return mixed */ private function _showTypeDetails($value) { if ($this->writeDebugLog) { $testArray = PHPExcel_Calculation_Functions::flattenArray($value); if (count($testArray) == 1) { $value = array_pop($testArray); } if (is_null($value)) { return 'a null value'; } elseif (is_float($value)) { $typeString = 'a floating point number'; } elseif(is_int($value)) { $typeString = 'an integer number'; } elseif(is_bool($value)) { $typeString = 'a boolean'; } elseif(is_array($value)) { $typeString = 'a matrix'; } else { if ($value == '') { return 'an empty string'; } elseif ($value{0} == '#') { return 'a '.$value.' error'; } else { $typeString = 'a string'; } } return $typeString.' with a value of '.$this->_showValue($value); } } // function _showTypeDetails() private static function _convertMatrixReferences($formula) { static $matrixReplaceFrom = array('{',';','}'); static $matrixReplaceTo = array('MKMATRIX(MKMATRIX(','),MKMATRIX(','))'); // Convert any Excel matrix references to the MKMATRIX() function if (strpos($formula,'{') !== false) { // If there is the possibility of braces within a quoted string, then we don't treat those as matrix indicators if (strpos($formula,'"') !== false) { // So instead we skip replacing in any quoted strings by only replacing in every other array element after we've exploded // the formula $temp = explode('"',$formula); // Open and Closed counts used for trapping mismatched braces in the formula $openCount = $closeCount = 0; $i = false; foreach($temp as &$value) { // Only count/replace in alternating array entries if ($i = !$i) { $openCount += substr_count($value,'{'); $closeCount += substr_count($value,'}'); $value = str_replace($matrixReplaceFrom,$matrixReplaceTo,$value); } } unset($value); // Then rebuild the formula string $formula = implode('"',$temp); } else { // If there's no quoted strings, then we do a simple count/replace $openCount = substr_count($formula,'{'); $closeCount = substr_count($formula,'}'); $formula = str_replace($matrixReplaceFrom,$matrixReplaceTo,$formula); } // Trap for mismatched braces and trigger an appropriate error if ($openCount < $closeCount) { if ($openCount > 0) { return $this->_raiseFormulaError("Formula Error: Mismatched matrix braces '}'"); } else { return $this->_raiseFormulaError("Formula Error: Unexpected '}' encountered"); } } elseif ($openCount > $closeCount) { if ($closeCount > 0) { return $this->_raiseFormulaError("Formula Error: Mismatched matrix braces '{'"); } else { return $this->_raiseFormulaError("Formula Error: Unexpected '{' encountered"); } } } return $formula; } // function _convertMatrixReferences() private static function _mkMatrix() { return func_get_args(); } // function _mkMatrix() // Convert infix to postfix notation private function _parseFormula($formula, PHPExcel_Cell $pCell = null) { if (($formula = self::_convertMatrixReferences(trim($formula))) === false) { return false; } // If we're using cell caching, then $pCell may well be flushed back to the cache (which detaches the parent worksheet), // so we store the parent worksheet so that we can re-attach it when necessary $pCellParent = (!is_null($pCell)) ? $pCell->getParent() : null; // Binary Operators // These operators always work on two values // Array key is the operator, the value indicates whether this is a left or right associative operator $operatorAssociativity = array('^' => 0, // Exponentiation '*' => 0, '/' => 0, // Multiplication and Division '+' => 0, '-' => 0, // Addition and Subtraction '&' => 0, // Concatenation '|' => 0, ':' => 0, // Intersect and Range '>' => 0, '<' => 0, '=' => 0, '>=' => 0, '<=' => 0, '<>' => 0 // Comparison ); // Comparison (Boolean) Operators // These operators work on two values, but always return a boolean result $comparisonOperators = array('>' => true, '<' => true, '=' => true, '>=' => true, '<=' => true, '<>' => true); // Operator Precedence // This list includes all valid operators, whether binary (including boolean) or unary (such as %) // Array key is the operator, the value is its precedence $operatorPrecedence = array(':' => 8, // Range '|' => 7, // Intersect '~' => 6, // Negation '%' => 5, // Percentage '^' => 4, // Exponentiation '*' => 3, '/' => 3, // Multiplication and Division '+' => 2, '-' => 2, // Addition and Subtraction '&' => 1, // Concatenation '>' => 0, '<' => 0, '=' => 0, '>=' => 0, '<=' => 0, '<>' => 0 // Comparison ); $regexpMatchString = '/^('.self::CALCULATION_REGEXP_FUNCTION. '|'.self::CALCULATION_REGEXP_NUMBER. '|'.self::CALCULATION_REGEXP_STRING. '|'.self::CALCULATION_REGEXP_OPENBRACE. '|'.self::CALCULATION_REGEXP_CELLREF. '|'.self::CALCULATION_REGEXP_NAMEDRANGE. '|'.self::CALCULATION_REGEXP_ERROR. ')/si'; // Start with initialisation $index = 0; $stack = new PHPExcel_Token_Stack; $output = array(); $expectingOperator = false; // We use this test in syntax-checking the expression to determine when a // - is a negation or + is a positive operator rather than an operation $expectingOperand = false; // We use this test in syntax-checking the expression to determine whether an operand // should be null in a function call // The guts of the lexical parser // Loop through the formula extracting each operator and operand in turn while(true) { // echo 'Assessing Expression <b>'.substr($formula, $index).'</b><br />'; $opCharacter = $formula{$index}; // Get the first character of the value at the current index position // echo 'Initial character of expression block is '.$opCharacter.'<br />'; if ((isset($comparisonOperators[$opCharacter])) && (strlen($formula) > $index) && (isset($comparisonOperators[$formula{$index+1}]))) { $opCharacter .= $formula{++$index}; // echo 'Initial character of expression block is comparison operator '.$opCharacter.'<br />'; } // Find out if we're currently at the beginning of a number, variable, cell reference, function, parenthesis or operand $isOperandOrFunction = preg_match($regexpMatchString, substr($formula, $index), $match); // echo '$isOperandOrFunction is '.(($isOperandOrFunction) ? 'True' : 'False').'<br />'; // var_dump($match); if ($opCharacter == '-' && !$expectingOperator) { // Is it a negation instead of a minus? // echo 'Element is a Negation operator<br />'; $stack->push('Unary Operator','~'); // Put a negation on the stack ++$index; // and drop the negation symbol } elseif ($opCharacter == '%' && $expectingOperator) { // echo 'Element is a Percentage operator<br />'; $stack->push('Unary Operator','%'); // Put a percentage on the stack ++$index; } elseif ($opCharacter == '+' && !$expectingOperator) { // Positive (unary plus rather than binary operator plus) can be discarded? // echo 'Element is a Positive number, not Plus operator<br />'; ++$index; // Drop the redundant plus symbol } elseif ((($opCharacter == '~') || ($opCharacter == '|')) && (!$isOperandOrFunction)) { // We have to explicitly deny a tilde or pipe, because they are legal return $this->_raiseFormulaError("Formula Error: Illegal character '~'"); // on the stack but not in the input expression } elseif ((isset(self::$_operators[$opCharacter]) or $isOperandOrFunction) && $expectingOperator) { // Are we putting an operator on the stack? // echo 'Element with value '.$opCharacter.' is an Operator<br />'; while($stack->count() > 0 && ($o2 = $stack->last()) && isset(self::$_operators[$o2['value']]) && @($operatorAssociativity[$opCharacter] ? $operatorPrecedence[$opCharacter] < $operatorPrecedence[$o2['value']] : $operatorPrecedence[$opCharacter] <= $operatorPrecedence[$o2['value']])) { $output[] = $stack->pop(); // Swap operands and higher precedence operators from the stack to the output } $stack->push('Binary Operator',$opCharacter); // Finally put our current operator onto the stack ++$index; $expectingOperator = false; } elseif ($opCharacter == ')' && $expectingOperator) { // Are we expecting to close a parenthesis? // echo 'Element is a Closing bracket<br />'; $expectingOperand = false; while (($o2 = $stack->pop()) && $o2['value'] != '(') { // Pop off the stack back to the last ( if (is_null($o2)) return $this->_raiseFormulaError('Formula Error: Unexpected closing brace ")"'); else $output[] = $o2; } $d = $stack->last(2); if (preg_match('/^'.self::CALCULATION_REGEXP_FUNCTION.'$/i', $d['value'], $matches)) { // Did this parenthesis just close a function? $functionName = $matches[1]; // Get the function name // echo 'Closed Function is '.$functionName.'<br />'; $d = $stack->pop(); $argumentCount = $d['value']; // See how many arguments there were (argument count is the next value stored on the stack) // if ($argumentCount == 0) { // echo 'With no arguments<br />'; // } elseif ($argumentCount == 1) { // echo 'With 1 argument<br />'; // } else { // echo 'With '.$argumentCount.' arguments<br />'; // } $output[] = $d; // Dump the argument count on the output $output[] = $stack->pop(); // Pop the function and push onto the output if (isset(self::$_controlFunctions[$functionName])) { // echo 'Built-in function '.$functionName.'<br />'; $expectedArgumentCount = self::$_controlFunctions[$functionName]['argumentCount']; $functionCall = self::$_controlFunctions[$functionName]['functionCall']; } elseif (isset(self::$_PHPExcelFunctions[$functionName])) { // echo 'PHPExcel function '.$functionName.'<br />'; $expectedArgumentCount = self::$_PHPExcelFunctions[$functionName]['argumentCount']; $functionCall = self::$_PHPExcelFunctions[$functionName]['functionCall']; } else { // did we somehow push a non-function on the stack? this should never happen return $this->_raiseFormulaError("Formula Error: Internal error, non-function on stack"); } // Check the argument count $argumentCountError = false; if (is_numeric($expectedArgumentCount)) { if ($expectedArgumentCount < 0) { // echo '$expectedArgumentCount is between 0 and '.abs($expectedArgumentCount).'<br />'; if ($argumentCount > abs($expectedArgumentCount)) { $argumentCountError = true; $expectedArgumentCountString = 'no more than '.abs($expectedArgumentCount); } } else { // echo '$expectedArgumentCount is numeric '.$expectedArgumentCount.'<br />'; if ($argumentCount != $expectedArgumentCount) { $argumentCountError = true; $expectedArgumentCountString = $expectedArgumentCount; } } } elseif ($expectedArgumentCount != '*') { $isOperandOrFunction = preg_match('/(\d*)([-+,])(\d*)/',$expectedArgumentCount,$argMatch); // print_r($argMatch); // echo '<br />'; switch ($argMatch[2]) { case '+' : if ($argumentCount < $argMatch[1]) { $argumentCountError = true; $expectedArgumentCountString = $argMatch[1].' or more '; } break; case '-' : if (($argumentCount < $argMatch[1]) || ($argumentCount > $argMatch[3])) { $argumentCountError = true; $expectedArgumentCountString = 'between '.$argMatch[1].' and '.$argMatch[3]; } break; case ',' : if (($argumentCount != $argMatch[1]) && ($argumentCount != $argMatch[3])) { $argumentCountError = true; $expectedArgumentCountString = 'either '.$argMatch[1].' or '.$argMatch[3]; } break; } } if ($argumentCountError) { return $this->_raiseFormulaError("Formula Error: Wrong number of arguments for $functionName() function: $argumentCount given, ".$expectedArgumentCountString." expected"); } } ++$index; } elseif ($opCharacter == ',') { // Is this the separator for function arguments? // echo 'Element is a Function argument separator<br />'; while (($o2 = $stack->pop()) && $o2['value'] != '(') { // Pop off the stack back to the last ( if (is_null($o2)) return $this->_raiseFormulaError("Formula Error: Unexpected ,"); else $output[] = $o2; // pop the argument expression stuff and push onto the output } // If we've a comma when we're expecting an operand, then what we actually have is a null operand; // so push a null onto the stack if (($expectingOperand) || (!$expectingOperator)) { $output[] = array('type' => 'NULL Value', 'value' => self::$_ExcelConstants['NULL'], 'reference' => null); } // make sure there was a function $d = $stack->last(2); if (!preg_match('/^'.self::CALCULATION_REGEXP_FUNCTION.'$/i', $d['value'], $matches)) return $this->_raiseFormulaError("Formula Error: Unexpected ,"); $d = $stack->pop(); $stack->push($d['type'],++$d['value'],$d['reference']); // increment the argument count $stack->push('Brace', '('); // put the ( back on, we'll need to pop back to it again $expectingOperator = false; $expectingOperand = true; ++$index; } elseif ($opCharacter == '(' && !$expectingOperator) { // echo 'Element is an Opening Bracket<br />'; $stack->push('Brace', '('); ++$index; } elseif ($isOperandOrFunction && !$expectingOperator) { // do we now have a function/variable/number? $expectingOperator = true; $expectingOperand = false; $val = $match[1]; $length = strlen($val); // echo 'Element with value '.$val.' is an Operand, Variable, Constant, String, Number, Cell Reference or Function<br />'; if (preg_match('/^'.self::CALCULATION_REGEXP_FUNCTION.'$/i', $val, $matches)) { $val = preg_replace('/\s/','',$val); // echo 'Element '.$val.' is a Function<br />'; if (isset(self::$_PHPExcelFunctions[strtoupper($matches[1])]) || isset(self::$_controlFunctions[strtoupper($matches[1])])) { // it's a function $stack->push('Function', strtoupper($val)); $ax = preg_match('/^\s*(\s*\))/i', substr($formula, $index+$length), $amatch); if ($ax) { $stack->push('Operand Count for Function '.self::_localeFunc(strtoupper($val)).')', 0); $expectingOperator = true; } else { $stack->push('Operand Count for Function '.self::_localeFunc(strtoupper($val)).')', 1); $expectingOperator = false; } $stack->push('Brace', '('); } else { // it's a var w/ implicit multiplication $output[] = array('type' => 'Value', 'value' => $matches[1], 'reference' => null); } } elseif (preg_match('/^'.self::CALCULATION_REGEXP_CELLREF.'$/i', $val, $matches)) { // echo 'Element '.$val.' is a Cell reference<br />'; // Watch for this case-change when modifying to allow cell references in different worksheets... // Should only be applied to the actual cell column, not the worksheet name // If the last entry on the stack was a : operator, then we have a cell range reference $testPrevOp = $stack->last(1); if ($testPrevOp['value'] == ':') { // If we have a worksheet reference, then we're playing with a 3D reference if ($matches[2] == '') { // Otherwise, we 'inherit' the worksheet reference from the start cell reference // The start of the cell range reference should be the last entry in $output $startCellRef = $output[count($output)-1]['value']; preg_match('/^'.self::CALCULATION_REGEXP_CELLREF.'$/i', $startCellRef, $startMatches); if ($startMatches[2] > '') { $val = $startMatches[2].'!'.$val; } } else { return $this->_raiseFormulaError("3D Range references are not yet supported"); } } $output[] = array('type' => 'Cell Reference', 'value' => $val, 'reference' => $val); // $expectingOperator = false; } else { // it's a variable, constant, string, number or boolean // echo 'Element is a Variable, Constant, String, Number or Boolean<br />'; // If the last entry on the stack was a : operator, then we may have a row or column range reference $testPrevOp = $stack->last(1); if ($testPrevOp['value'] == ':') { $startRowColRef = $output[count($output)-1]['value']; $rangeWS1 = ''; if (strpos('!',$startRowColRef) !== false) { list($rangeWS1,$startRowColRef) = explode('!',$startRowColRef); } if ($rangeWS1 != '') $rangeWS1 .= '!'; $rangeWS2 = $rangeWS1; if (strpos('!',$val) !== false) { list($rangeWS2,$val) = explode('!',$val); } if ($rangeWS2 != '') $rangeWS2 .= '!'; if ((is_integer($startRowColRef)) && (ctype_digit($val)) && ($startRowColRef <= 1048576) && ($val <= 1048576)) { // Row range $endRowColRef = (!is_null($pCellParent)) ? $pCellParent->getHighestColumn() : 'XFD'; // Max 16,384 columns for Excel2007 $output[count($output)-1]['value'] = $rangeWS1.'A'.$startRowColRef; $val = $rangeWS2.$endRowColRef.$val; } elseif ((ctype_alpha($startRowColRef)) && (ctype_alpha($val)) && (strlen($startRowColRef) <= 3) && (strlen($val) <= 3)) { // Column range $endRowColRef = (!is_null($pCellParent)) ? $pCellParent->getHighestRow() : 1048576; // Max 1,048,576 rows for Excel2007 $output[count($output)-1]['value'] = $rangeWS1.strtoupper($startRowColRef).'1'; $val = $rangeWS2.$val.$endRowColRef; } } $localeConstant = false; if ($opCharacter == '"') { // echo 'Element is a String<br />'; // UnEscape any quotes within the string $val = self::_wrapResult(str_replace('""','"',self::_unwrapResult($val))); } elseif (is_numeric($val)) { // echo 'Element is a Number<br />'; if ((strpos($val,'.') !== false) || (stripos($val,'e') !== false) || ($val > PHP_INT_MAX) || ($val < -PHP_INT_MAX)) { // echo 'Casting '.$val.' to float<br />'; $val = (float) $val; } else { // echo 'Casting '.$val.' to integer<br />'; $val = (integer) $val; } } elseif (isset(self::$_ExcelConstants[trim(strtoupper($val))])) { $excelConstant = trim(strtoupper($val)); // echo 'Element '.$excelConstant.' is an Excel Constant<br />'; $val = self::$_ExcelConstants[$excelConstant]; } elseif (($localeConstant = array_search(trim(strtoupper($val)), self::$_localeBoolean)) !== false) { // echo 'Element '.$localeConstant.' is an Excel Constant<br />'; $val = self::$_ExcelConstants[$localeConstant]; } $details = array('type' => 'Value', 'value' => $val, 'reference' => null); if ($localeConstant) { $details['localeValue'] = $localeConstant; } $output[] = $details; } $index += $length; } elseif ($opCharacter == '$') { // absolute row or column range ++$index; } elseif ($opCharacter == ')') { // miscellaneous error checking if ($expectingOperand) { $output[] = array('type' => 'Null Value', 'value' => self::$_ExcelConstants['NULL'], 'reference' => null); $expectingOperand = false; $expectingOperator = true; } else { return $this->_raiseFormulaError("Formula Error: Unexpected ')'"); } } elseif (isset(self::$_operators[$opCharacter]) && !$expectingOperator) { return $this->_raiseFormulaError("Formula Error: Unexpected operator '$opCharacter'"); } else { // I don't even want to know what you did to get here return $this->_raiseFormulaError("Formula Error: An unexpected error occured"); } // Test for end of formula string if ($index == strlen($formula)) { // Did we end with an operator?. // Only valid for the % unary operator if ((isset(self::$_operators[$opCharacter])) && ($opCharacter != '%')) { return $this->_raiseFormulaError("Formula Error: Operator '$opCharacter' has no operands"); } else { break; } } // Ignore white space while (($formula{$index} == "\n") || ($formula{$index} == "\r")) { ++$index; } if ($formula{$index} == ' ') { while ($formula{$index} == ' ') { ++$index; } // If we're expecting an operator, but only have a space between the previous and next operands (and both are // Cell References) then we have an INTERSECTION operator // echo 'Possible Intersect Operator<br />'; if (($expectingOperator) && (preg_match('/^'.self::CALCULATION_REGEXP_CELLREF.'.*/Ui', substr($formula, $index), $match)) && ($output[count($output)-1]['type'] == 'Cell Reference')) { // echo 'Element is an Intersect Operator<br />'; while($stack->count() > 0 && ($o2 = $stack->last()) && isset(self::$_operators[$o2['value']]) && @($operatorAssociativity[$opCharacter] ? $operatorPrecedence[$opCharacter] < $operatorPrecedence[$o2['value']] : $operatorPrecedence[$opCharacter] <= $operatorPrecedence[$o2['value']])) { $output[] = $stack->pop(); // Swap operands and higher precedence operators from the stack to the output } $stack->push('Binary Operator','|'); // Put an Intersect Operator on the stack $expectingOperator = false; } } } while (!is_null($op = $stack->pop())) { // pop everything off the stack and push onto output if ($opCharacter['value'] == '(') return $this->_raiseFormulaError("Formula Error: Expecting ')'"); // if there are any opening braces on the stack, then braces were unbalanced $output[] = $op; } return $output; } // function _parseFormula() // evaluate postfix notation private function _processTokenStack($tokens, $cellID = null, PHPExcel_Cell $pCell = null) { if ($tokens == false) return false; // If we're using cell caching, then $pCell may well be flushed back to the cache (which detaches the parent worksheet), // so we store the parent worksheet so that we can re-attach it when necessary $pCellParent = (!is_null($pCell)) ? $pCell->getParent() : null; $stack = new PHPExcel_Token_Stack; // Loop through each token in turn foreach ($tokens as $tokenData) { // print_r($tokenData); // echo '<br />'; $token = $tokenData['value']; // echo '<b>Token is '.$token.'</b><br />'; // if the token is a binary operator, pop the top two values off the stack, do the operation, and push the result back on the stack if (isset(self::$_binaryOperators[$token])) { // echo 'Token is a binary operator<br />'; // We must have two operands, error if we don't if (is_null($operand2Data = $stack->pop())) return $this->_raiseFormulaError('Internal error - Operand value missing from stack'); if (is_null($operand1Data = $stack->pop())) return $this->_raiseFormulaError('Internal error - Operand value missing from stack'); // Log what we're doing $operand1 = $operand1Data['value']; $operand2 = $operand2Data['value']; if ($token == ':') { $this->_writeDebug('Evaluating Range '.$this->_showValue($operand1Data['reference']).$token.$this->_showValue($operand2Data['reference'])); } else { $this->_writeDebug('Evaluating '.$this->_showValue($operand1).' '.$token.' '.$this->_showValue($operand2)); } // Process the operation in the appropriate manner switch ($token) { // Comparison (Boolean) Operators case '>' : // Greater than case '<' : // Less than case '>=' : // Greater than or Equal to case '<=' : // Less than or Equal to case '=' : // Equality case '<>' : // Inequality $this->_executeBinaryComparisonOperation($cellID,$operand1,$operand2,$token,$stack); break; // Binary Operators case ':' : // Range $sheet1 = $sheet2 = ''; if (strpos($operand1Data['reference'],'!') !== false) { list($sheet1,$operand1Data['reference']) = explode('!',$operand1Data['reference']); } else { $sheet1 = (!is_null($pCellParent)) ? $pCellParent->getTitle() : ''; } if (strpos($operand2Data['reference'],'!') !== false) { list($sheet2,$operand2Data['reference']) = explode('!',$operand2Data['reference']); } else { $sheet2 = $sheet1; } if ($sheet1 == $sheet2) { if (is_null($operand1Data['reference'])) { if ((trim($operand1Data['value']) != '') && (is_numeric($operand1Data['value']))) { $operand1Data['reference'] = $pCell->getColumn().$operand1Data['value']; } elseif (trim($operand1Data['reference']) == '') { $operand1Data['reference'] = $pCell->getCoordinate(); } else { $operand1Data['reference'] = $operand1Data['value'].$pCell->getRow(); } } if (is_null($operand2Data['reference'])) { if ((trim($operand2Data['value']) != '') && (is_numeric($operand2Data['value']))) { $operand2Data['reference'] = $pCell->getColumn().$operand2Data['value']; } elseif (trim($operand2Data['reference']) == '') { $operand2Data['reference'] = $pCell->getCoordinate(); } else { $operand2Data['reference'] = $operand2Data['value'].$pCell->getRow(); } } $oData = array_merge(explode(':',$operand1Data['reference']),explode(':',$operand2Data['reference'])); $oCol = $oRow = array(); foreach($oData as $oDatum) { $oCR = PHPExcel_Cell::coordinateFromString($oDatum); $oCol[] = PHPExcel_Cell::columnIndexFromString($oCR[0]) - 1; $oRow[] = $oCR[1]; } $cellRef = PHPExcel_Cell::stringFromColumnIndex(min($oCol)).min($oRow).':'.PHPExcel_Cell::stringFromColumnIndex(max($oCol)).max($oRow); if (!is_null($pCellParent)) { $cellValue = $this->extractCellRange($cellRef, $pCellParent->getParent()->getSheetByName($sheet1), false); } else { return $this->_raiseFormulaError('Unable to access Cell Reference'); } $stack->push('Cell Reference',$cellValue,$cellRef); } else { $stack->push('Error',PHPExcel_Calculation_Functions::REF(),null); } break; case '+' : // Addition $this->_executeNumericBinaryOperation($cellID,$operand1,$operand2,$token,'plusEquals',$stack); break; case '-' : // Subtraction $this->_executeNumericBinaryOperation($cellID,$operand1,$operand2,$token,'minusEquals',$stack); break; case '*' : // Multiplication $this->_executeNumericBinaryOperation($cellID,$operand1,$operand2,$token,'arrayTimesEquals',$stack); break; case '/' : // Division $this->_executeNumericBinaryOperation($cellID,$operand1,$operand2,$token,'arrayRightDivide',$stack); break; case '^' : // Exponential $this->_executeNumericBinaryOperation($cellID,$operand1,$operand2,$token,'power',$stack); break; case '&' : // Concatenation // If either of the operands is a matrix, we need to treat them both as matrices // (converting the other operand to a matrix if need be); then perform the required // matrix operation if (is_bool($operand1)) { $operand1 = ($operand1) ? self::$_localeBoolean['TRUE'] : self::$_localeBoolean['FALSE']; } if (is_bool($operand2)) { $operand2 = ($operand2) ? self::$_localeBoolean['TRUE'] : self::$_localeBoolean['FALSE']; } if ((is_array($operand1)) || (is_array($operand2))) { // Ensure that both operands are arrays/matrices self::_checkMatrixOperands($operand1,$operand2,2); try { // Convert operand 1 from a PHP array to a matrix $matrix = new PHPExcel_Shared_JAMA_Matrix($operand1); // Perform the required operation against the operand 1 matrix, passing in operand 2 $matrixResult = $matrix->concat($operand2); $result = $matrixResult->getArray(); } catch (Exception $ex) { $this->_writeDebug('JAMA Matrix Exception: '.$ex->getMessage()); $result = '#VALUE!'; } } else { $result = '"'.str_replace('""','"',self::_unwrapResult($operand1,'"').self::_unwrapResult($operand2,'"')).'"'; } $this->_writeDebug('Evaluation Result is '.$this->_showTypeDetails($result)); $stack->push('Value',$result); break; case '|' : // Intersect $rowIntersect = array_intersect_key($operand1,$operand2); $cellIntersect = $oCol = $oRow = array(); foreach(array_keys($rowIntersect) as $row) { $oRow[] = $row; foreach($rowIntersect[$row] as $col => $data) { $oCol[] = PHPExcel_Cell::columnIndexFromString($col) - 1; $cellIntersect[$row] = array_intersect_key($operand1[$row],$operand2[$row]); } } $cellRef = PHPExcel_Cell::stringFromColumnIndex(min($oCol)).min($oRow).':'.PHPExcel_Cell::stringFromColumnIndex(max($oCol)).max($oRow); $this->_writeDebug('Evaluation Result is '.$this->_showTypeDetails($cellIntersect)); $stack->push('Value',$cellIntersect,$cellRef); break; } // if the token is a unary operator, pop one value off the stack, do the operation, and push it back on } elseif (($token === '~') || ($token === '%')) { // echo 'Token is a unary operator<br />'; if (is_null($arg = $stack->pop())) return $this->_raiseFormulaError('Internal error - Operand value missing from stack'); $arg = $arg['value']; if ($token === '~') { // echo 'Token is a negation operator<br />'; $this->_writeDebug('Evaluating Negation of '.$this->_showValue($arg)); $multiplier = -1; } else { // echo 'Token is a percentile operator<br />'; $this->_writeDebug('Evaluating Percentile of '.$this->_showValue($arg)); $multiplier = 0.01; } if (is_array($arg)) { self::_checkMatrixOperands($arg,$multiplier,2); try { $matrix1 = new PHPExcel_Shared_JAMA_Matrix($arg); $matrixResult = $matrix1->arrayTimesEquals($multiplier); $result = $matrixResult->getArray(); } catch (Exception $ex) { $this->_writeDebug('JAMA Matrix Exception: '.$ex->getMessage()); $result = '#VALUE!'; } $this->_writeDebug('Evaluation Result is '.$this->_showTypeDetails($result)); $stack->push('Value',$result); } else { $this->_executeNumericBinaryOperation($cellID,$multiplier,$arg,'*','arrayTimesEquals',$stack); } } elseif (preg_match('/^'.self::CALCULATION_REGEXP_CELLREF.'$/i', $token, $matches)) { $cellRef = null; // echo 'Element '.$token.' is a Cell reference<br />'; if (isset($matches[8])) { // echo 'Reference is a Range of cells<br />'; if (is_null($pCell)) { // We can't access the range, so return a REF error $cellValue = PHPExcel_Calculation_Functions::REF(); } else { $cellRef = $matches[6].$matches[7].':'.$matches[9].$matches[10]; if ($matches[2] > '') { $matches[2] = trim($matches[2],"\"'"); // echo '$cellRef='.$cellRef.' in worksheet '.$matches[2].'<br />'; $this->_writeDebug('Evaluating Cell Range '.$cellRef.' in worksheet '.$matches[2]); if (!is_null($pCellParent)) { $cellValue = $this->extractCellRange($cellRef, $pCellParent->getParent()->getSheetByName($matches[2]), false); } else { return $this->_raiseFormulaError('Unable to access Cell Reference'); } $this->_writeDebug('Evaluation Result for cells '.$cellRef.' in worksheet '.$matches[2].' is '.$this->_showTypeDetails($cellValue)); // $cellRef = $matches[2].'!'.$cellRef; } else { // echo '$cellRef='.$cellRef.' in current worksheet<br />'; $this->_writeDebug('Evaluating Cell Range '.$cellRef.' in current worksheet'); if (!is_null($pCellParent)) { $cellValue = $this->extractCellRange($cellRef, $pCellParent, false); } else { return $this->_raiseFormulaError('Unable to access Cell Reference'); } $this->_writeDebug('Evaluation Result for cells '.$cellRef.' is '.$this->_showTypeDetails($cellValue)); } } } else { // echo 'Reference is a single Cell<br />'; if (is_null($pCell)) { // We can't access the cell, so return a REF error $cellValue = PHPExcel_Calculation_Functions::REF(); } else { $cellRef = $matches[6].$matches[7]; if ($matches[2] > '') { $matches[2] = trim($matches[2],"\"'"); // echo '$cellRef='.$cellRef.' in worksheet '.$matches[2].'<br />'; $this->_writeDebug('Evaluating Cell '.$cellRef.' in worksheet '.$matches[2]); if (!is_null($pCellParent)) { if ($pCellParent->getParent()->getSheetByName($matches[2])->cellExists($cellRef)) { $cellValue = $this->extractCellRange($cellRef, $pCellParent->getParent()->getSheetByName($matches[2]), false); $pCell->attach($pCellParent); } else { $cellValue = null; } } else { return $this->_raiseFormulaError('Unable to access Cell Reference'); } $this->_writeDebug('Evaluation Result for cell '.$cellRef.' in worksheet '.$matches[2].' is '.$this->_showTypeDetails($cellValue)); // $cellRef = $matches[2].'!'.$cellRef; } else { // echo '$cellRef='.$cellRef.' in current worksheet<br />'; $this->_writeDebug('Evaluating Cell '.$cellRef.' in current worksheet'); if ($pCellParent->cellExists($cellRef)) { $cellValue = $this->extractCellRange($cellRef, $pCellParent, false); $pCell->attach($pCellParent); } else { $cellValue = null; } $this->_writeDebug('Evaluation Result for cell '.$cellRef.' is '.$this->_showTypeDetails($cellValue)); } } } $stack->push('Value',$cellValue,$cellRef); // if the token is a function, pop arguments off the stack, hand them to the function, and push the result back on } elseif (preg_match('/^'.self::CALCULATION_REGEXP_FUNCTION.'$/i', $token, $matches)) { // echo 'Token is a function<br />'; $functionName = $matches[1]; $argCount = $stack->pop(); $argCount = $argCount['value']; if ($functionName != 'MKMATRIX') { $this->_writeDebug('Evaluating Function '.self::_localeFunc($functionName).'() with '.(($argCount == 0) ? 'no' : $argCount).' argument'.(($argCount == 1) ? '' : 's')); } if ((isset(self::$_PHPExcelFunctions[$functionName])) || (isset(self::$_controlFunctions[$functionName]))) { // function if (isset(self::$_PHPExcelFunctions[$functionName])) { $functionCall = self::$_PHPExcelFunctions[$functionName]['functionCall']; $passByReference = isset(self::$_PHPExcelFunctions[$functionName]['passByReference']); $passCellReference = isset(self::$_PHPExcelFunctions[$functionName]['passCellReference']); } elseif (isset(self::$_controlFunctions[$functionName])) { $functionCall = self::$_controlFunctions[$functionName]['functionCall']; $passByReference = isset(self::$_controlFunctions[$functionName]['passByReference']); $passCellReference = isset(self::$_controlFunctions[$functionName]['passCellReference']); } // get the arguments for this function // echo 'Function '.$functionName.' expects '.$argCount.' arguments<br />'; $args = $argArrayVals = array(); for ($i = 0; $i < $argCount; ++$i) { $arg = $stack->pop(); $a = $argCount - $i - 1; if (($passByReference) && (isset(self::$_PHPExcelFunctions[$functionName]['passByReference'][$a])) && (self::$_PHPExcelFunctions[$functionName]['passByReference'][$a])) { if (is_null($arg['reference'])) { $args[] = $cellID; if ($functionName != 'MKMATRIX') { $argArrayVals[] = $this->_showValue($cellID); } } else { $args[] = $arg['reference']; if ($functionName != 'MKMATRIX') { $argArrayVals[] = $this->_showValue($arg['reference']); } } } else { $args[] = self::_unwrapResult($arg['value']); if ($functionName != 'MKMATRIX') { $argArrayVals[] = $this->_showValue($arg['value']); } } } // Reverse the order of the arguments krsort($args); if (($passByReference) && ($argCount == 0)) { $args[] = $cellID; $argArrayVals[] = $this->_showValue($cellID); } // echo 'Arguments are: '; // print_r($args); // echo '<br />'; if ($functionName != 'MKMATRIX') { if ($this->writeDebugLog) { krsort($argArrayVals); $this->_writeDebug('Evaluating '. self::_localeFunc($functionName).'( '.implode(self::$_localeArgumentSeparator.' ',PHPExcel_Calculation_Functions::flattenArray($argArrayVals)).' )'); } } // Process each argument in turn, building the return value as an array // if (($argCount == 1) && (is_array($args[1])) && ($functionName != 'MKMATRIX')) { // $operand1 = $args[1]; // $this->_writeDebug('Argument is a matrix: '.$this->_showValue($operand1)); // $result = array(); // $row = 0; // foreach($operand1 as $args) { // if (is_array($args)) { // foreach($args as $arg) { // $this->_writeDebug('Evaluating '.self::_localeFunc($functionName).'( '.$this->_showValue($arg).' )'); // $r = call_user_func_array($functionCall,$arg); // $this->_writeDebug('Evaluation Result for '.self::_localeFunc($functionName).'() function call is '.$this->_showTypeDetails($r)); // $result[$row][] = $r; // } // ++$row; // } else { // $this->_writeDebug('Evaluating '.self::_localeFunc($functionName).'( '.$this->_showValue($args).' )'); // $r = call_user_func_array($functionCall,$args); // $this->_writeDebug('Evaluation Result for '.self::_localeFunc($functionName).'() function call is '.$this->_showTypeDetails($r)); // $result[] = $r; // } // } // } else { // Process the argument with the appropriate function call if ($passCellReference) { $args[] = $pCell; } if (strpos($functionCall,'::') !== false) { $result = call_user_func_array(explode('::',$functionCall),$args); } else { foreach($args as &$arg) { $arg = PHPExcel_Calculation_Functions::flattenSingleValue($arg); } unset($arg); $result = call_user_func_array($functionCall,$args); } // } if ($functionName != 'MKMATRIX') { $this->_writeDebug('Evaluation Result for '.self::_localeFunc($functionName).'() function call is '.$this->_showTypeDetails($result)); } $stack->push('Value',self::_wrapResult($result)); } } else { // if the token is a number, boolean, string or an Excel error, push it onto the stack if (isset(self::$_ExcelConstants[strtoupper($token)])) { $excelConstant = strtoupper($token); // echo 'Token is a PHPExcel constant: '.$excelConstant.'<br />'; $stack->push('Constant Value',self::$_ExcelConstants[$excelConstant]); $this->_writeDebug('Evaluating Constant '.$excelConstant.' as '.$this->_showTypeDetails(self::$_ExcelConstants[$excelConstant])); } elseif ((is_numeric($token)) || (is_null($token)) || (is_bool($token)) || ($token == '') || ($token{0} == '"') || ($token{0} == '#')) { // echo 'Token is a number, boolean, string, null or an Excel error<br />'; $stack->push('Value',$token); // if the token is a named range, push the named range name onto the stack } elseif (preg_match('/^'.self::CALCULATION_REGEXP_NAMEDRANGE.'$/i', $token, $matches)) { // echo 'Token is a named range<br />'; $namedRange = $matches[6]; // echo 'Named Range is '.$namedRange.'<br />'; $this->_writeDebug('Evaluating Named Range '.$namedRange); $cellValue = $this->extractNamedRange($namedRange, ((null !== $pCell) ? $pCellParent : null), false); $pCell->attach($pCellParent); $this->_writeDebug('Evaluation Result for named range '.$namedRange.' is '.$this->_showTypeDetails($cellValue)); $stack->push('Named Range',$cellValue,$namedRange); } else { return $this->_raiseFormulaError("undefined variable '$token'"); } } } // when we're out of tokens, the stack should have a single element, the final result if ($stack->count() != 1) return $this->_raiseFormulaError("internal error"); $output = $stack->pop(); $output = $output['value']; // if ((is_array($output)) && (self::$returnArrayAsType != self::RETURN_ARRAY_AS_ARRAY)) { // return array_shift(PHPExcel_Calculation_Functions::flattenArray($output)); // } return $output; } // function _processTokenStack() private function _validateBinaryOperand($cellID,&$operand,&$stack) { // Numbers, matrices and booleans can pass straight through, as they're already valid if (is_string($operand)) { // We only need special validations for the operand if it is a string // Start by stripping off the quotation marks we use to identify true excel string values internally if ($operand > '' && $operand{0} == '"') { $operand = self::_unwrapResult($operand); } // If the string is a numeric value, we treat it as a numeric, so no further testing if (!is_numeric($operand)) { // If not a numeric, test to see if the value is an Excel error, and so can't be used in normal binary operations if ($operand > '' && $operand{0} == '#') { $stack->push('Value', $operand); $this->_writeDebug('Evaluation Result is '.$this->_showTypeDetails($operand)); return false; } elseif (!PHPExcel_Shared_String::convertToNumberIfFraction($operand)) { // If not a numeric or a fraction, then it's a text string, and so can't be used in mathematical binary operations $stack->push('Value', '#VALUE!'); $this->_writeDebug('Evaluation Result is a '.$this->_showTypeDetails('#VALUE!')); return false; } } } // return a true if the value of the operand is one that we can use in normal binary operations return true; } // function _validateBinaryOperand() private function _executeBinaryComparisonOperation($cellID,$operand1,$operand2,$operation,&$stack,$recursingArrays=false) { // If we're dealing with matrix operations, we want a matrix result if ((is_array($operand1)) || (is_array($operand2))) { $result = array(); if ((is_array($operand1)) && (!is_array($operand2))) { foreach($operand1 as $x => $operandData) { $this->_writeDebug('Evaluating '.$this->_showValue($operandData).' '.$operation.' '.$this->_showValue($operand2)); $this->_executeBinaryComparisonOperation($cellID,$operandData,$operand2,$operation,$stack); $r = $stack->pop(); $result[$x] = $r['value']; } } elseif ((!is_array($operand1)) && (is_array($operand2))) { foreach($operand2 as $x => $operandData) { $this->_writeDebug('Evaluating '.$this->_showValue($operand1).' '.$operation.' '.$this->_showValue($operandData)); $this->_executeBinaryComparisonOperation($cellID,$operand1,$operandData,$operation,$stack); $r = $stack->pop(); $result[$x] = $r['value']; } } else { if (!$recursingArrays) { self::_checkMatrixOperands($operand1,$operand2,2); } foreach($operand1 as $x => $operandData) { $this->_writeDebug('Evaluating '.$this->_showValue($operandData).' '.$operation.' '.$this->_showValue($operand2[$x])); $this->_executeBinaryComparisonOperation($cellID,$operandData,$operand2[$x],$operation,$stack,true); $r = $stack->pop(); $result[$x] = $r['value']; } } // Log the result details $this->_writeDebug('Evaluation Result is '.$this->_showTypeDetails($result)); // And push the result onto the stack $stack->push('Array',$result); return true; } // Simple validate the two operands if they are string values if (is_string($operand1) && $operand1 > '' && $operand1{0} == '"') { $operand1 = self::_unwrapResult($operand1); } if (is_string($operand2) && $operand2 > '' && $operand2{0} == '"') { $operand2 = self::_unwrapResult($operand2); } // execute the necessary operation switch ($operation) { // Greater than case '>': $result = ($operand1 > $operand2); break; // Less than case '<': $result = ($operand1 < $operand2); break; // Equality case '=': $result = ($operand1 == $operand2); break; // Greater than or equal case '>=': $result = ($operand1 >= $operand2); break; // Less than or equal case '<=': $result = ($operand1 <= $operand2); break; // Inequality case '<>': $result = ($operand1 != $operand2); break; } // Log the result details $this->_writeDebug('Evaluation Result is '.$this->_showTypeDetails($result)); // And push the result onto the stack $stack->push('Value',$result); return true; } // function _executeBinaryComparisonOperation() private function _executeNumericBinaryOperation($cellID,$operand1,$operand2,$operation,$matrixFunction,&$stack) { // Validate the two operands if (!$this->_validateBinaryOperand($cellID,$operand1,$stack)) return false; if (!$this->_validateBinaryOperand($cellID,$operand2,$stack)) return false; $executeMatrixOperation = false; // If either of the operands is a matrix, we need to treat them both as matrices // (converting the other operand to a matrix if need be); then perform the required // matrix operation if ((is_array($operand1)) || (is_array($operand2))) { // Ensure that both operands are arrays/matrices $executeMatrixOperation = true; $mSize = array(); list($mSize[],$mSize[],$mSize[],$mSize[]) = self::_checkMatrixOperands($operand1,$operand2,2); // But if they're both single cell matrices, then we can treat them as simple values if (array_sum($mSize) == 4) { $executeMatrixOperation = false; $operand1 = $operand1[0][0]; $operand2 = $operand2[0][0]; } } if ($executeMatrixOperation) { try { // Convert operand 1 from a PHP array to a matrix $matrix = new PHPExcel_Shared_JAMA_Matrix($operand1); // Perform the required operation against the operand 1 matrix, passing in operand 2 $matrixResult = $matrix->$matrixFunction($operand2); $result = $matrixResult->getArray(); } catch (Exception $ex) { $this->_writeDebug('JAMA Matrix Exception: '.$ex->getMessage()); $result = '#VALUE!'; } } else { if ((PHPExcel_Calculation_Functions::getCompatibilityMode() != PHPExcel_Calculation_Functions::COMPATIBILITY_OPENOFFICE) && ((is_string($operand1) && !is_numeric($operand1)) || (is_string($operand2) && !is_numeric($operand2)))) { $result = PHPExcel_Calculation_Functions::VALUE(); } else { // If we're dealing with non-matrix operations, execute the necessary operation switch ($operation) { // Addition case '+': $result = $operand1+$operand2; break; // Subtraction case '-': $result = $operand1-$operand2; break; // Multiplication case '*': $result = $operand1*$operand2; break; // Division case '/': if ($operand2 == 0) { // Trap for Divide by Zero error $stack->push('Value','#DIV/0!'); $this->_writeDebug('Evaluation Result is '.$this->_showTypeDetails('#DIV/0!')); return false; } else { $result = $operand1/$operand2; } break; // Power case '^': $result = pow($operand1,$operand2); break; } } } // Log the result details $this->_writeDebug('Evaluation Result is '.$this->_showTypeDetails($result)); // And push the result onto the stack $stack->push('Value',$result); return true; } // function _executeNumericBinaryOperation() private function _writeDebug($message) { // Only write the debug log if logging is enabled if ($this->writeDebugLog) { if ($this->echoDebugLog) { echo implode(' -> ',$this->debugLogStack).' -> '.$message,'<br />'; } $this->debugLog[] = implode(' -> ',$this->debugLogStack).' -> '.$message; } } // function _writeDebug() // trigger an error, but nicely, if need be protected function _raiseFormulaError($errorMessage) { $this->formulaError = $errorMessage; if (!$this->suppressFormulaErrors) throw new Exception($errorMessage); trigger_error($errorMessage, E_USER_ERROR); } // function _raiseFormulaError() /** * Extract range values * * @param string &$pRange String based range representation * @param PHPExcel_Worksheet $pSheet Worksheet * @return mixed Array of values in range if range contains more than one element. Otherwise, a single value is returned. * @throws Exception */ public function extractCellRange(&$pRange = 'A1', PHPExcel_Worksheet $pSheet = null, $resetLog=true) { // Return value $returnValue = array (); // echo 'extractCellRange('.$pRange.')<br />'; if (!is_null($pSheet)) { // echo 'Passed sheet name is '.$pSheet->getTitle().'<br />'; // echo 'Range reference is '.$pRange.'<br />'; if (strpos ($pRange, '!') !== false) { // echo '$pRange reference includes sheet reference<br />'; $worksheetReference = PHPExcel_Worksheet::extractSheetTitle($pRange, true); $pSheet = $pSheet->getParent()->getSheetByName($worksheetReference[0]); // echo 'New sheet name is '.$pSheet->getTitle().'<br />'; $pRange = $worksheetReference[1]; // echo 'Adjusted Range reference is '.$pRange.'<br />'; } // Extract range $aReferences = PHPExcel_Cell::extractAllCellReferencesInRange($pRange); $pRange = $pSheet->getTitle().'!'.$pRange; if (!isset($aReferences[1])) { // Single cell in range list($currentCol,$currentRow) = sscanf($aReferences[0],'%[A-Z]%d'); if ($pSheet->cellExists($aReferences[0])) { $returnValue[$currentRow][$currentCol] = $pSheet->getCell($aReferences[0])->getCalculatedValue($resetLog); } else { $returnValue[$currentRow][$currentCol] = null; } } else { // Extract cell data for all cells in the range foreach ($aReferences as $reference) { // Extract range list($currentCol,$currentRow) = sscanf($reference,'%[A-Z]%d'); if ($pSheet->cellExists($reference)) { $returnValue[$currentRow][$currentCol] = $pSheet->getCell($reference)->getCalculatedValue($resetLog); } else { $returnValue[$currentRow][$currentCol] = null; } } } } // Return return $returnValue; } // function extractCellRange() /** * Extract range values * * @param string &$pRange String based range representation * @param PHPExcel_Worksheet $pSheet Worksheet * @return mixed Array of values in range if range contains more than one element. Otherwise, a single value is returned. * @throws Exception */ public function extractNamedRange(&$pRange = 'A1', PHPExcel_Worksheet $pSheet = null, $resetLog=true) { // Return value $returnValue = array (); // echo 'extractNamedRange('.$pRange.')<br />'; if (!is_null($pSheet)) { // echo 'Current sheet name is '.$pSheet->getTitle().'<br />'; // echo 'Range reference is '.$pRange.'<br />'; if (strpos ($pRange, '!') !== false) { // echo '$pRange reference includes sheet reference<br />'; $worksheetReference = PHPExcel_Worksheet::extractSheetTitle($pRange, true); $pSheet = $pSheet->getParent()->getSheetByName($worksheetReference[0]); // echo 'New sheet name is '.$pSheet->getTitle().'<br />'; $pRange = $worksheetReference[1]; // echo 'Adjusted Range reference is '.$pRange.'<br />'; } // Named range? $namedRange = PHPExcel_NamedRange::resolveRange($pRange, $pSheet); if (!is_null($namedRange)) { $pSheet = $namedRange->getWorksheet(); // echo 'Named Range '.$pRange.' ('; $pRange = $namedRange->getRange(); $splitRange = PHPExcel_Cell::splitRange($pRange); // Convert row and column references if (ctype_alpha($splitRange[0][0])) { $pRange = $splitRange[0][0] . '1:' . $splitRange[0][1] . $namedRange->getWorksheet()->getHighestRow(); } elseif(ctype_digit($splitRange[0][0])) { $pRange = 'A' . $splitRange[0][0] . ':' . $namedRange->getWorksheet()->getHighestColumn() . $splitRange[0][1]; } // echo $pRange.') is in sheet '.$namedRange->getWorksheet()->getTitle().'<br />'; // if ($pSheet->getTitle() != $namedRange->getWorksheet()->getTitle()) { // if (!$namedRange->getLocalOnly()) { // $pSheet = $namedRange->getWorksheet(); // } else { // return $returnValue; // } // } } else { return PHPExcel_Calculation_Functions::REF(); } // Extract range $aReferences = PHPExcel_Cell::extractAllCellReferencesInRange($pRange); // var_dump($aReferences); if (!isset($aReferences[1])) { // Single cell (or single column or row) in range list($currentCol,$currentRow) = PHPExcel_Cell::coordinateFromString($aReferences[0]); if ($pSheet->cellExists($aReferences[0])) { $returnValue[$currentRow][$currentCol] = $pSheet->getCell($aReferences[0])->getCalculatedValue($resetLog); } else { $returnValue[$currentRow][$currentCol] = null; } } else { // Extract cell data for all cells in the range foreach ($aReferences as $reference) { // Extract range list($currentCol,$currentRow) = PHPExcel_Cell::coordinateFromString($reference); // echo 'NAMED RANGE: $currentCol='.$currentCol.' $currentRow='.$currentRow.'<br />'; if ($pSheet->cellExists($reference)) { $returnValue[$currentRow][$currentCol] = $pSheet->getCell($reference)->getCalculatedValue($resetLog); } else { $returnValue[$currentRow][$currentCol] = null; } } } // print_r($returnValue); // echo '<br />'; } // Return return $returnValue; } // function extractNamedRange() /** * Is a specific function implemented? * * @param string $pFunction Function Name * @return boolean */ public function isImplemented($pFunction = '') { $pFunction = strtoupper ($pFunction); if (isset(self::$_PHPExcelFunctions[$pFunction])) { return (self::$_PHPExcelFunctions[$pFunction]['functionCall'] != 'PHPExcel_Calculation_Functions::DUMMY'); } else { return false; } } // function isImplemented() /** * Get a list of all implemented functions as an array of function objects * * @return array of PHPExcel_Calculation_Function */ public function listFunctions() { // Return value $returnValue = array(); // Loop functions foreach(self::$_PHPExcelFunctions as $functionName => $function) { if ($function['functionCall'] != 'PHPExcel_Calculation_Functions::DUMMY') { $returnValue[$functionName] = new PHPExcel_Calculation_Function($function['category'], $functionName, $function['functionCall'] ); } } // Return return $returnValue; } // function listFunctions() /** * Get a list of all Excel function names * * @return array */ public function listAllFunctionNames() { return array_keys(self::$_PHPExcelFunctions); } // function listAllFunctionNames() /** * Get a list of implemented Excel function names * * @return array */ public function listFunctionNames() { // Return value $returnValue = array(); // Loop functions foreach(self::$_PHPExcelFunctions as $functionName => $function) { if ($function['functionCall'] != 'PHPExcel_Calculation_Functions::DUMMY') { $returnValue[] = $functionName; } } // Return return $returnValue; } // function listFunctionNames() } // class PHPExcel_Calculation // for internal use class PHPExcel_Token_Stack { private $_stack = array(); private $_count = 0; public function count() { return $this->_count; } // function count() public function push($type,$value,$reference=null) { $this->_stack[$this->_count++] = array('type' => $type, 'value' => $value, 'reference' => $reference ); if ($type == 'Function') { $localeFunction = PHPExcel_Calculation::_localeFunc($value); if ($localeFunction != $value) { $this->_stack[($this->_count - 1)]['localeValue'] = $localeFunction; } } } // function push() public function pop() { if ($this->_count > 0) { return $this->_stack[--$this->_count]; } return null; } // function pop() public function last($n=1) { if ($this->_count-$n < 0) { return null; } return $this->_stack[$this->_count-$n]; } // function last() function __construct() { } } // class PHPExcel_Token_Stack Documentation generated on Sun, 27 Feb 2011 16:28:53 -0800 by phpDocumentor 1.4.3