[1] | 1 | <?php |
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| 2 | /** |
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| 3 | * PHPExcel |
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| 4 | * |
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| 5 | * Copyright (c) 2006 - 2014 PHPExcel |
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| 6 | * |
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| 7 | * This library is free software; you can redistribute it and/or |
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| 8 | * modify it under the terms of the GNU Lesser General Public |
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| 9 | * License as published by the Free Software Foundation; either |
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| 10 | * version 2.1 of the License, or (at your option) any later version. |
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| 11 | * |
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| 12 | * This library is distributed in the hope that it will be useful, |
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 15 | * Lesser General Public License for more details. |
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| 16 | * |
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| 17 | * You should have received a copy of the GNU Lesser General Public |
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| 18 | * License along with this library; if not, write to the Free Software |
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 20 | * |
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| 21 | * @category PHPExcel |
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| 22 | * @package PHPExcel_Calculation |
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| 23 | * @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel) |
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| 24 | * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL |
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| 25 | * @version 1.8.0, 2014-03-02 |
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| 26 | */ |
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| 27 | |
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| 28 | |
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| 29 | /** PHPExcel root directory */ |
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| 30 | if (!defined('PHPEXCEL_ROOT')) { |
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| 31 | /** |
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| 32 | * @ignore |
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| 33 | */ |
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| 34 | define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../'); |
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| 35 | require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php'); |
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| 36 | } |
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| 37 | |
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| 38 | |
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| 39 | /** |
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| 40 | * PHPExcel_Calculation_Logical |
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| 41 | * |
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| 42 | * @category PHPExcel |
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| 43 | * @package PHPExcel_Calculation |
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| 44 | * @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel) |
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| 45 | */ |
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| 46 | class PHPExcel_Calculation_Logical { |
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| 47 | |
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| 48 | /** |
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| 49 | * TRUE |
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| 50 | * |
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| 51 | * Returns the boolean TRUE. |
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| 52 | * |
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| 53 | * Excel Function: |
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| 54 | * =TRUE() |
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| 55 | * |
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| 56 | * @access public |
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| 57 | * @category Logical Functions |
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| 58 | * @return boolean True |
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| 59 | */ |
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| 60 | public static function TRUE() { |
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| 61 | return TRUE; |
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| 62 | } // function TRUE() |
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| 63 | |
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| 64 | |
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| 65 | /** |
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| 66 | * FALSE |
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| 67 | * |
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| 68 | * Returns the boolean FALSE. |
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| 69 | * |
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| 70 | * Excel Function: |
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| 71 | * =FALSE() |
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| 72 | * |
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| 73 | * @access public |
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| 74 | * @category Logical Functions |
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| 75 | * @return boolean False |
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| 76 | */ |
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| 77 | public static function FALSE() { |
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| 78 | return FALSE; |
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| 79 | } // function FALSE() |
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| 80 | |
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| 81 | |
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| 82 | /** |
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| 83 | * LOGICAL_AND |
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| 84 | * |
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| 85 | * Returns boolean TRUE if all its arguments are TRUE; returns FALSE if one or more argument is FALSE. |
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| 86 | * |
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| 87 | * Excel Function: |
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| 88 | * =AND(logical1[,logical2[, ...]]) |
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| 89 | * |
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| 90 | * The arguments must evaluate to logical values such as TRUE or FALSE, or the arguments must be arrays |
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| 91 | * or references that contain logical values. |
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| 92 | * |
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| 93 | * Boolean arguments are treated as True or False as appropriate |
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| 94 | * Integer or floating point arguments are treated as True, except for 0 or 0.0 which are False |
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| 95 | * If any argument value is a string, or a Null, the function returns a #VALUE! error, unless the string holds |
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| 96 | * the value TRUE or FALSE, in which case it is evaluated as the corresponding boolean value |
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| 97 | * |
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| 98 | * @access public |
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| 99 | * @category Logical Functions |
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| 100 | * @param mixed $arg,... Data values |
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| 101 | * @return boolean The logical AND of the arguments. |
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| 102 | */ |
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| 103 | public static function LOGICAL_AND() { |
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| 104 | // Return value |
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| 105 | $returnValue = TRUE; |
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| 106 | |
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| 107 | // Loop through the arguments |
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| 108 | $aArgs = PHPExcel_Calculation_Functions::flattenArray(func_get_args()); |
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| 109 | $argCount = -1; |
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| 110 | foreach ($aArgs as $argCount => $arg) { |
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| 111 | // Is it a boolean value? |
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| 112 | if (is_bool($arg)) { |
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| 113 | $returnValue = $returnValue && $arg; |
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| 114 | } elseif ((is_numeric($arg)) && (!is_string($arg))) { |
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| 115 | $returnValue = $returnValue && ($arg != 0); |
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| 116 | } elseif (is_string($arg)) { |
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| 117 | $arg = strtoupper($arg); |
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| 118 | if (($arg == 'TRUE') || ($arg == PHPExcel_Calculation::getTRUE())) { |
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| 119 | $arg = TRUE; |
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| 120 | } elseif (($arg == 'FALSE') || ($arg == PHPExcel_Calculation::getFALSE())) { |
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| 121 | $arg = FALSE; |
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| 122 | } else { |
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| 123 | return PHPExcel_Calculation_Functions::VALUE(); |
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| 124 | } |
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| 125 | $returnValue = $returnValue && ($arg != 0); |
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| 126 | } |
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| 127 | } |
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| 128 | |
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| 129 | // Return |
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| 130 | if ($argCount < 0) { |
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| 131 | return PHPExcel_Calculation_Functions::VALUE(); |
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| 132 | } |
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| 133 | return $returnValue; |
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| 134 | } // function LOGICAL_AND() |
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| 135 | |
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| 136 | |
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| 137 | /** |
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| 138 | * LOGICAL_OR |
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| 139 | * |
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| 140 | * Returns boolean TRUE if any argument is TRUE; returns FALSE if all arguments are FALSE. |
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| 141 | * |
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| 142 | * Excel Function: |
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| 143 | * =OR(logical1[,logical2[, ...]]) |
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| 144 | * |
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| 145 | * The arguments must evaluate to logical values such as TRUE or FALSE, or the arguments must be arrays |
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| 146 | * or references that contain logical values. |
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| 147 | * |
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| 148 | * Boolean arguments are treated as True or False as appropriate |
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| 149 | * Integer or floating point arguments are treated as True, except for 0 or 0.0 which are False |
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| 150 | * If any argument value is a string, or a Null, the function returns a #VALUE! error, unless the string holds |
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| 151 | * the value TRUE or FALSE, in which case it is evaluated as the corresponding boolean value |
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| 152 | * |
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| 153 | * @access public |
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| 154 | * @category Logical Functions |
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| 155 | * @param mixed $arg,... Data values |
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| 156 | * @return boolean The logical OR of the arguments. |
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| 157 | */ |
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| 158 | public static function LOGICAL_OR() { |
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| 159 | // Return value |
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| 160 | $returnValue = FALSE; |
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| 161 | |
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| 162 | // Loop through the arguments |
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| 163 | $aArgs = PHPExcel_Calculation_Functions::flattenArray(func_get_args()); |
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| 164 | $argCount = -1; |
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| 165 | foreach ($aArgs as $argCount => $arg) { |
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| 166 | // Is it a boolean value? |
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| 167 | if (is_bool($arg)) { |
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| 168 | $returnValue = $returnValue || $arg; |
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| 169 | } elseif ((is_numeric($arg)) && (!is_string($arg))) { |
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| 170 | $returnValue = $returnValue || ($arg != 0); |
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| 171 | } elseif (is_string($arg)) { |
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| 172 | $arg = strtoupper($arg); |
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| 173 | if (($arg == 'TRUE') || ($arg == PHPExcel_Calculation::getTRUE())) { |
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| 174 | $arg = TRUE; |
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| 175 | } elseif (($arg == 'FALSE') || ($arg == PHPExcel_Calculation::getFALSE())) { |
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| 176 | $arg = FALSE; |
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| 177 | } else { |
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| 178 | return PHPExcel_Calculation_Functions::VALUE(); |
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| 179 | } |
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| 180 | $returnValue = $returnValue || ($arg != 0); |
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| 181 | } |
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| 182 | } |
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| 183 | |
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| 184 | // Return |
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| 185 | if ($argCount < 0) { |
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| 186 | return PHPExcel_Calculation_Functions::VALUE(); |
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| 187 | } |
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| 188 | return $returnValue; |
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| 189 | } // function LOGICAL_OR() |
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| 190 | |
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| 191 | |
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| 192 | /** |
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| 193 | * NOT |
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| 194 | * |
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| 195 | * Returns the boolean inverse of the argument. |
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| 196 | * |
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| 197 | * Excel Function: |
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| 198 | * =NOT(logical) |
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| 199 | * |
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| 200 | * The argument must evaluate to a logical value such as TRUE or FALSE |
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| 201 | * |
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| 202 | * Boolean arguments are treated as True or False as appropriate |
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| 203 | * Integer or floating point arguments are treated as True, except for 0 or 0.0 which are False |
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| 204 | * If any argument value is a string, or a Null, the function returns a #VALUE! error, unless the string holds |
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| 205 | * the value TRUE or FALSE, in which case it is evaluated as the corresponding boolean value |
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| 206 | * |
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| 207 | * @access public |
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| 208 | * @category Logical Functions |
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| 209 | * @param mixed $logical A value or expression that can be evaluated to TRUE or FALSE |
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| 210 | * @return boolean The boolean inverse of the argument. |
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| 211 | */ |
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| 212 | public static function NOT($logical=FALSE) { |
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| 213 | $logical = PHPExcel_Calculation_Functions::flattenSingleValue($logical); |
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| 214 | if (is_string($logical)) { |
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| 215 | $logical = strtoupper($logical); |
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| 216 | if (($logical == 'TRUE') || ($logical == PHPExcel_Calculation::getTRUE())) { |
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| 217 | return FALSE; |
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| 218 | } elseif (($logical == 'FALSE') || ($logical == PHPExcel_Calculation::getFALSE())) { |
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| 219 | return TRUE; |
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| 220 | } else { |
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| 221 | return PHPExcel_Calculation_Functions::VALUE(); |
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| 222 | } |
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| 223 | } |
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| 224 | |
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| 225 | return !$logical; |
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| 226 | } // function NOT() |
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| 227 | |
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| 228 | /** |
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| 229 | * STATEMENT_IF |
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| 230 | * |
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| 231 | * Returns one value if a condition you specify evaluates to TRUE and another value if it evaluates to FALSE. |
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| 232 | * |
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| 233 | * Excel Function: |
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| 234 | * =IF(condition[,returnIfTrue[,returnIfFalse]]) |
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| 235 | * |
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| 236 | * Condition is any value or expression that can be evaluated to TRUE or FALSE. |
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| 237 | * For example, A10=100 is a logical expression; if the value in cell A10 is equal to 100, |
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| 238 | * the expression evaluates to TRUE. Otherwise, the expression evaluates to FALSE. |
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| 239 | * This argument can use any comparison calculation operator. |
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| 240 | * ReturnIfTrue is the value that is returned if condition evaluates to TRUE. |
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| 241 | * For example, if this argument is the text string "Within budget" and the condition argument evaluates to TRUE, |
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| 242 | * then the IF function returns the text "Within budget" |
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| 243 | * If condition is TRUE and ReturnIfTrue is blank, this argument returns 0 (zero). To display the word TRUE, use |
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| 244 | * the logical value TRUE for this argument. |
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| 245 | * ReturnIfTrue can be another formula. |
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| 246 | * ReturnIfFalse is the value that is returned if condition evaluates to FALSE. |
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| 247 | * For example, if this argument is the text string "Over budget" and the condition argument evaluates to FALSE, |
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| 248 | * then the IF function returns the text "Over budget". |
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| 249 | * If condition is FALSE and ReturnIfFalse is omitted, then the logical value FALSE is returned. |
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| 250 | * If condition is FALSE and ReturnIfFalse is blank, then the value 0 (zero) is returned. |
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| 251 | * ReturnIfFalse can be another formula. |
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| 252 | * |
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| 253 | * @access public |
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| 254 | * @category Logical Functions |
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| 255 | * @param mixed $condition Condition to evaluate |
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| 256 | * @param mixed $returnIfTrue Value to return when condition is true |
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| 257 | * @param mixed $returnIfFalse Optional value to return when condition is false |
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| 258 | * @return mixed The value of returnIfTrue or returnIfFalse determined by condition |
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| 259 | */ |
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| 260 | public static function STATEMENT_IF($condition = TRUE, $returnIfTrue = 0, $returnIfFalse = FALSE) { |
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| 261 | $condition = (is_null($condition)) ? TRUE : (boolean) PHPExcel_Calculation_Functions::flattenSingleValue($condition); |
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| 262 | $returnIfTrue = (is_null($returnIfTrue)) ? 0 : PHPExcel_Calculation_Functions::flattenSingleValue($returnIfTrue); |
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| 263 | $returnIfFalse = (is_null($returnIfFalse)) ? FALSE : PHPExcel_Calculation_Functions::flattenSingleValue($returnIfFalse); |
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| 264 | |
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| 265 | return ($condition) ? $returnIfTrue : $returnIfFalse; |
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| 266 | } // function STATEMENT_IF() |
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| 267 | |
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| 268 | |
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| 269 | /** |
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| 270 | * IFERROR |
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| 271 | * |
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| 272 | * Excel Function: |
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| 273 | * =IFERROR(testValue,errorpart) |
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| 274 | * |
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| 275 | * @access public |
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| 276 | * @category Logical Functions |
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| 277 | * @param mixed $testValue Value to check, is also the value returned when no error |
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| 278 | * @param mixed $errorpart Value to return when testValue is an error condition |
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| 279 | * @return mixed The value of errorpart or testValue determined by error condition |
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| 280 | */ |
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| 281 | public static function IFERROR($testValue = '', $errorpart = '') { |
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| 282 | $testValue = (is_null($testValue)) ? '' : PHPExcel_Calculation_Functions::flattenSingleValue($testValue); |
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| 283 | $errorpart = (is_null($errorpart)) ? '' : PHPExcel_Calculation_Functions::flattenSingleValue($errorpart); |
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| 284 | |
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| 285 | return self::STATEMENT_IF(PHPExcel_Calculation_Functions::IS_ERROR($testValue), $errorpart, $testValue); |
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| 286 | } // function IFERROR() |
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| 287 | |
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| 288 | } // class PHPExcel_Calculation_Logical |
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