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<?php /** PHPExcel root directory */ if (!defined('PHPEXCEL_ROOT')) { /** * @ignore */ define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../'); require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php'); } /** * PHPExcel_Calculation_Logical * * Copyright (c) 2006 - 2015 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 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel) * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL * @version ##VERSION##, ##DATE## */ class PHPExcel_Calculation_Logical { /** * TRUE * * Returns the boolean TRUE. * * Excel Function: * =TRUE() * * @access public * @category Logical Functions * @return boolean True */ public static function TRUE() { return true; } /** * FALSE * * Returns the boolean FALSE. * * Excel Function: * =FALSE() * * @access public * @category Logical Functions * @return boolean False */ public static function FALSE() { return false; } /** * LOGICAL_AND * * Returns boolean TRUE if all its arguments are TRUE; returns FALSE if one or more argument is FALSE. * * Excel Function: * =AND(logical1[,logical2[, ...]]) * * The arguments must evaluate to logical values such as TRUE or FALSE, or the arguments must be arrays * or references that contain logical values. * * Boolean arguments are treated as True or False as appropriate * Integer or floating point arguments are treated as True, except for 0 or 0.0 which are False * If any argument value is a string, or a Null, the function returns a #VALUE! error, unless the string holds * the value TRUE or FALSE, in which case it is evaluated as the corresponding boolean value * * @access public * @category Logical Functions * @param mixed $arg,... Data values * @return boolean The logical AND of the arguments. */ public static function LOGICAL_AND() { // Return value $returnValue = true; // Loop through the arguments $aArgs = PHPExcel_Calculation_Functions::flattenArray(func_get_args()); $argCount = -1; foreach ($aArgs as $argCount => $arg) { // Is it a boolean value? if (is_bool($arg)) { $returnValue = $returnValue && $arg; } elseif ((is_numeric($arg)) && (!is_string($arg))) { $returnValue = $returnValue && ($arg != 0); } elseif (is_string($arg)) { $arg = strtoupper($arg); if (($arg == 'TRUE') || ($arg == PHPExcel_Calculation::getTRUE())) { $arg = true; } elseif (($arg == 'FALSE') || ($arg == PHPExcel_Calculation::getFALSE())) { $arg = false; } else { return PHPExcel_Calculation_Functions::VALUE(); } $returnValue = $returnValue && ($arg != 0); } } // Return if ($argCount < 0) { return PHPExcel_Calculation_Functions::VALUE(); } return $returnValue; } /** * LOGICAL_OR * * Returns boolean TRUE if any argument is TRUE; returns FALSE if all arguments are FALSE. * * Excel Function: * =OR(logical1[,logical2[, ...]]) * * The arguments must evaluate to logical values such as TRUE or FALSE, or the arguments must be arrays * or references that contain logical values. * * Boolean arguments are treated as True or False as appropriate * Integer or floating point arguments are treated as True, except for 0 or 0.0 which are False * If any argument value is a string, or a Null, the function returns a #VALUE! error, unless the string holds * the value TRUE or FALSE, in which case it is evaluated as the corresponding boolean value * * @access public * @category Logical Functions * @param mixed $arg,... Data values * @return boolean The logical OR of the arguments. */ public static function LOGICAL_OR() { // Return value $returnValue = false; // Loop through the arguments $aArgs = PHPExcel_Calculation_Functions::flattenArray(func_get_args()); $argCount = -1; foreach ($aArgs as $argCount => $arg) { // Is it a boolean value? if (is_bool($arg)) { $returnValue = $returnValue || $arg; } elseif ((is_numeric($arg)) && (!is_string($arg))) { $returnValue = $returnValue || ($arg != 0); } elseif (is_string($arg)) { $arg = strtoupper($arg); if (($arg == 'TRUE') || ($arg == PHPExcel_Calculation::getTRUE())) { $arg = true; } elseif (($arg == 'FALSE') || ($arg == PHPExcel_Calculation::getFALSE())) { $arg = false; } else { return PHPExcel_Calculation_Functions::VALUE(); } $returnValue = $returnValue || ($arg != 0); } } // Return if ($argCount < 0) { return PHPExcel_Calculation_Functions::VALUE(); } return $returnValue; } /** * NOT * * Returns the boolean inverse of the argument. * * Excel Function: * =NOT(logical) * * The argument must evaluate to a logical value such as TRUE or FALSE * * Boolean arguments are treated as True or False as appropriate * Integer or floating point arguments are treated as True, except for 0 or 0.0 which are False * If any argument value is a string, or a Null, the function returns a #VALUE! error, unless the string holds * the value TRUE or FALSE, in which case it is evaluated as the corresponding boolean value * * @access public * @category Logical Functions * @param mixed $logical A value or expression that can be evaluated to TRUE or FALSE * @return boolean The boolean inverse of the argument. */ public static function NOT($logical = false) { $logical = PHPExcel_Calculation_Functions::flattenSingleValue($logical); if (is_string($logical)) { $logical = strtoupper($logical); if (($logical == 'TRUE') || ($logical == PHPExcel_Calculation::getTRUE())) { return false; } elseif (($logical == 'FALSE') || ($logical == PHPExcel_Calculation::getFALSE())) { return true; } else { return PHPExcel_Calculation_Functions::VALUE(); } } return !$logical; } /** * STATEMENT_IF * * Returns one value if a condition you specify evaluates to TRUE and another value if it evaluates to FALSE. * * Excel Function: * =IF(condition[,returnIfTrue[,returnIfFalse]]) * * Condition is any value or expression that can be evaluated to TRUE or FALSE. * For example, A10=100 is a logical expression; if the value in cell A10 is equal to 100, * the expression evaluates to TRUE. Otherwise, the expression evaluates to FALSE. * This argument can use any comparison calculation operator. * ReturnIfTrue is the value that is returned if condition evaluates to TRUE. * For example, if this argument is the text string "Within budget" and the condition argument evaluates to TRUE, * then the IF function returns the text "Within budget" * If condition is TRUE and ReturnIfTrue is blank, this argument returns 0 (zero). To display the word TRUE, use * the logical value TRUE for this argument. * ReturnIfTrue can be another formula. * ReturnIfFalse is the value that is returned if condition evaluates to FALSE. * For example, if this argument is the text string "Over budget" and the condition argument evaluates to FALSE, * then the IF function returns the text "Over budget". * If condition is FALSE and ReturnIfFalse is omitted, then the logical value FALSE is returned. * If condition is FALSE and ReturnIfFalse is blank, then the value 0 (zero) is returned. * ReturnIfFalse can be another formula. * * @access public * @category Logical Functions * @param mixed $condition Condition to evaluate * @param mixed $returnIfTrue Value to return when condition is true * @param mixed $returnIfFalse Optional value to return when condition is false * @return mixed The value of returnIfTrue or returnIfFalse determined by condition */ public static function STATEMENT_IF($condition = true, $returnIfTrue = 0, $returnIfFalse = false) { $condition = (is_null($condition)) ? true : (boolean) PHPExcel_Calculation_Functions::flattenSingleValue($condition); $returnIfTrue = (is_null($returnIfTrue)) ? 0 : PHPExcel_Calculation_Functions::flattenSingleValue($returnIfTrue); $returnIfFalse = (is_null($returnIfFalse)) ? false : PHPExcel_Calculation_Functions::flattenSingleValue($returnIfFalse); return ($condition) ? $returnIfTrue : $returnIfFalse; } /** * IFERROR * * Excel Function: * =IFERROR(testValue,errorpart) * * @access public * @category Logical Functions * @param mixed $testValue Value to check, is also the value returned when no error * @param mixed $errorpart Value to return when testValue is an error condition * @return mixed The value of errorpart or testValue determined by error condition */ public static function IFERROR($testValue = '', $errorpart = '') { $testValue = (is_null($testValue)) ? '' : PHPExcel_Calculation_Functions::flattenSingleValue($testValue); $errorpart = (is_null($errorpart)) ? '' : PHPExcel_Calculation_Functions::flattenSingleValue($errorpart); return self::STATEMENT_IF(PHPExcel_Calculation_Functions::IS_ERROR($testValue), $errorpart, $testValue); } }
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