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| <?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'); | ||||
| } | ||||
|  | ||||
|  | ||||
| /** | ||||
|  * PHPExcel_Calculation_Logical | ||||
|  * | ||||
|  * @category	PHPExcel | ||||
|  * @package		PHPExcel_Calculation | ||||
|  * @copyright	Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel) | ||||
|  */ | ||||
| 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; | ||||
| 	}	//	function TRUE() | ||||
|  | ||||
|  | ||||
| 	/** | ||||
| 	 *	FALSE | ||||
| 	 * | ||||
| 	 *	Returns the boolean FALSE. | ||||
| 	 * | ||||
| 	 *	Excel Function: | ||||
| 	 *		=FALSE() | ||||
| 	 * | ||||
| 	 *	@access	public | ||||
| 	 *	@category Logical Functions | ||||
| 	 *	@return	boolean		False | ||||
| 	 */ | ||||
| 	public static function FALSE() { | ||||
| 		return false; | ||||
| 	}	//	function 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()); | ||||
| 		$argCount = 0; | ||||
| 		foreach ($aArgs as $arg) { | ||||
| 			// Is it a boolean value? | ||||
| 			if (is_bool($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); | ||||
| 			} | ||||
| 			++$argCount; | ||||
| 		} | ||||
|  | ||||
| 		// Return | ||||
| 		if ($argCount == 0) { | ||||
| 			return PHPExcel_Calculation_Functions::VALUE(); | ||||
| 		} | ||||
| 		return $returnValue; | ||||
| 	}	//	function LOGICAL_AND() | ||||
|  | ||||
|  | ||||
| 	/** | ||||
| 	 *	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()); | ||||
| 		$argCount = 0; | ||||
| 		foreach ($aArgs as $arg) { | ||||
| 			// Is it a boolean value? | ||||
| 			if (is_bool($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); | ||||
| 			} | ||||
| 			++$argCount; | ||||
| 		} | ||||
|  | ||||
| 		// Return | ||||
| 		if ($argCount == 0) { | ||||
| 			return PHPExcel_Calculation_Functions::VALUE(); | ||||
| 		} | ||||
| 		return $returnValue; | ||||
| 	}	//	function LOGICAL_OR() | ||||
|  | ||||
|  | ||||
| 	/** | ||||
| 	 *	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) { | ||||
| 		$logical = PHPExcel_Calculation_Functions::flattenSingleValue($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; | ||||
| 	}	//	function NOT() | ||||
|  | ||||
| 	/** | ||||
| 	 *	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); | ||||
| 	}	//	function STATEMENT_IF() | ||||
|  | ||||
|  | ||||
| 	/** | ||||
| 	 *	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); | ||||
| 	}	//	function IFERROR() | ||||
|  | ||||
| }	//	class PHPExcel_Calculation_Logical | ||||
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