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<?php /** PHPExcel root directory */ if (!defined('PHPEXCEL_ROOT')) { /** * @ignore */ define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../'); require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php'); } /** MAX_VALUE */ define('MAX_VALUE', 1.2e308); /** 2 / PI */ define('M_2DIVPI', 0.63661977236758134307553505349006); /** MAX_ITERATIONS */ define('MAX_ITERATIONS', 256); /** PRECISION */ define('PRECISION', 8.88E-016); /** * PHPExcel_Calculation_Functions * * 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_Functions { /** constants */ const COMPATIBILITY_EXCEL = 'Excel'; const COMPATIBILITY_GNUMERIC = 'Gnumeric'; const COMPATIBILITY_OPENOFFICE = 'OpenOfficeCalc'; const RETURNDATE_PHP_NUMERIC = 'P'; const RETURNDATE_PHP_OBJECT = 'O'; const RETURNDATE_EXCEL = 'E'; /** * Compatibility mode to use for error checking and responses * * @access private * @var string */ protected static $compatibilityMode = self::COMPATIBILITY_EXCEL; /** * Data Type to use when returning date values * * @access private * @var string */ protected static $returnDateType = self::RETURNDATE_EXCEL; /** * List of error codes * * @access private * @var array */ protected static $errorCodes = array( 'null' => '#NULL!', 'divisionbyzero' => '#DIV/0!', 'value' => '#VALUE!', 'reference' => '#REF!', 'name' => '#NAME?', 'num' => '#NUM!', 'na' => '#N/A', 'gettingdata' => '#GETTING_DATA' ); /** * Set the Compatibility Mode * * @access public * @category Function Configuration * @param string $compatibilityMode Compatibility Mode * Permitted values are: * PHPExcel_Calculation_Functions::COMPATIBILITY_EXCEL 'Excel' * PHPExcel_Calculation_Functions::COMPATIBILITY_GNUMERIC 'Gnumeric' * PHPExcel_Calculation_Functions::COMPATIBILITY_OPENOFFICE 'OpenOfficeCalc' * @return boolean (Success or Failure) */ public static function setCompatibilityMode($compatibilityMode) { if (($compatibilityMode == self::COMPATIBILITY_EXCEL) || ($compatibilityMode == self::COMPATIBILITY_GNUMERIC) || ($compatibilityMode == self::COMPATIBILITY_OPENOFFICE)) { self::$compatibilityMode = $compatibilityMode; return true; } return false; } /** * Return the current Compatibility Mode * * @access public * @category Function Configuration * @return string Compatibility Mode * Possible Return values are: * PHPExcel_Calculation_Functions::COMPATIBILITY_EXCEL 'Excel' * PHPExcel_Calculation_Functions::COMPATIBILITY_GNUMERIC 'Gnumeric' * PHPExcel_Calculation_Functions::COMPATIBILITY_OPENOFFICE 'OpenOfficeCalc' */ public static function getCompatibilityMode() { return self::$compatibilityMode; } /** * Set the Return Date Format used by functions that return a date/time (Excel, PHP Serialized Numeric or PHP Object) * * @access public * @category Function Configuration * @param string $returnDateType Return Date Format * Permitted values are: * PHPExcel_Calculation_Functions::RETURNDATE_PHP_NUMERIC 'P' * PHPExcel_Calculation_Functions::RETURNDATE_PHP_OBJECT 'O' * PHPExcel_Calculation_Functions::RETURNDATE_EXCEL 'E' * @return boolean Success or failure */ public static function setReturnDateType($returnDateType) { if (($returnDateType == self::RETURNDATE_PHP_NUMERIC) || ($returnDateType == self::RETURNDATE_PHP_OBJECT) || ($returnDateType == self::RETURNDATE_EXCEL)) { self::$returnDateType = $returnDateType; return true; } return false; } /** * Return the current Return Date Format for functions that return a date/time (Excel, PHP Serialized Numeric or PHP Object) * * @access public * @category Function Configuration * @return string Return Date Format * Possible Return values are: * PHPExcel_Calculation_Functions::RETURNDATE_PHP_NUMERIC 'P' * PHPExcel_Calculation_Functions::RETURNDATE_PHP_OBJECT 'O' * PHPExcel_Calculation_Functions::RETURNDATE_EXCEL 'E' */ public static function getReturnDateType() { return self::$returnDateType; } /** * DUMMY * * @access public * @category Error Returns * @return string #Not Yet Implemented */ public static function DUMMY() { return '#Not Yet Implemented'; } /** * DIV0 * * @access public * @category Error Returns * @return string #Not Yet Implemented */ public static function DIV0() { return self::$errorCodes['divisionbyzero']; } /** * NA * * Excel Function: * =NA() * * Returns the error value #N/A * #N/A is the error value that means "no value is available." * * @access public * @category Logical Functions * @return string #N/A! */ public static function NA() { return self::$errorCodes['na']; } /** * NaN * * Returns the error value #NUM! * * @access public * @category Error Returns * @return string #NUM! */ public static function NaN() { return self::$errorCodes['num']; } /** * NAME * * Returns the error value #NAME? * * @access public * @category Error Returns * @return string #NAME? */ public static function NAME() { return self::$errorCodes['name']; } /** * REF * * Returns the error value #REF! * * @access public * @category Error Returns * @return string #REF! */ public static function REF() { return self::$errorCodes['reference']; } /** * NULL * * Returns the error value #NULL! * * @access public * @category Error Returns * @return string #NULL! */ public static function NULL() { return self::$errorCodes['null']; } /** * VALUE * * Returns the error value #VALUE! * * @access public * @category Error Returns * @return string #VALUE! */ public static function VALUE() { return self::$errorCodes['value']; } public static function isMatrixValue($idx) { return ((substr_count($idx, '.') <= 1) || (preg_match('/\.[A-Z]/', $idx) > 0)); } public static function isValue($idx) { return (substr_count($idx, '.') == 0); } public static function isCellValue($idx) { return (substr_count($idx, '.') > 1); } public static function ifCondition($condition) { $condition = PHPExcel_Calculation_Functions::flattenSingleValue($condition); if (!isset($condition{0})) { $condition = '=""'; } if (!in_array($condition{0}, array('>', '<', '='))) { if (!is_numeric($condition)) { $condition = PHPExcel_Calculation::wrapResult(strtoupper($condition)); } return '=' . $condition; } else { preg_match('/([<>=]+)(.*)/', $condition, $matches); list(, $operator, $operand) = $matches; if (!is_numeric($operand)) { $operand = str_replace('"', '""', $operand); $operand = PHPExcel_Calculation::wrapResult(strtoupper($operand)); } return $operator.$operand; } } /** * ERROR_TYPE * * @param mixed $value Value to check * @return boolean */ public static function ERROR_TYPE($value = '') { $value = self::flattenSingleValue($value); $i = 1; foreach (self::$errorCodes as $errorCode) { if ($value === $errorCode) { return $i; } ++$i; } return self::NA(); } /** * IS_BLANK * * @param mixed $value Value to check * @return boolean */ public static function IS_BLANK($value = null) { if (!is_null($value)) { $value = self::flattenSingleValue($value); } return is_null($value); } /** * IS_ERR * * @param mixed $value Value to check * @return boolean */ public static function IS_ERR($value = '') { $value = self::flattenSingleValue($value); return self::IS_ERROR($value) && (!self::IS_NA($value)); } /** * IS_ERROR * * @param mixed $value Value to check * @return boolean */ public static function IS_ERROR($value = '') { $value = self::flattenSingleValue($value); if (!is_string($value)) { return false; } return in_array($value, array_values(self::$errorCodes)); } /** * IS_NA * * @param mixed $value Value to check * @return boolean */ public static function IS_NA($value = '') { $value = self::flattenSingleValue($value); return ($value === self::NA()); } /** * IS_EVEN * * @param mixed $value Value to check * @return boolean */ public static function IS_EVEN($value = null) { $value = self::flattenSingleValue($value); if ($value === null) { return self::NAME(); } elseif ((is_bool($value)) || ((is_string($value)) && (!is_numeric($value)))) { return self::VALUE(); } return ($value % 2 == 0); } /** * IS_ODD * * @param mixed $value Value to check * @return boolean */ public static function IS_ODD($value = null) { $value = self::flattenSingleValue($value); if ($value === null) { return self::NAME(); } elseif ((is_bool($value)) || ((is_string($value)) && (!is_numeric($value)))) { return self::VALUE(); } return (abs($value) % 2 == 1); } /** * IS_NUMBER * * @param mixed $value Value to check * @return boolean */ public static function IS_NUMBER($value = null) { $value = self::flattenSingleValue($value); if (is_string($value)) { return false; } return is_numeric($value); } /** * IS_LOGICAL * * @param mixed $value Value to check * @return boolean */ public static function IS_LOGICAL($value = null) { $value = self::flattenSingleValue($value); return is_bool($value); } /** * IS_TEXT * * @param mixed $value Value to check * @return boolean */ public static function IS_TEXT($value = null) { $value = self::flattenSingleValue($value); return (is_string($value) && !self::IS_ERROR($value)); } /** * IS_NONTEXT * * @param mixed $value Value to check * @return boolean */ public static function IS_NONTEXT($value = null) { return !self::IS_TEXT($value); } /** * VERSION * * @return string Version information */ public static function VERSION() { return 'PHPExcel ##VERSION##, ##DATE##'; } /** * N * * Returns a value converted to a number * * @param value The value you want converted * @return number N converts values listed in the following table * If value is or refers to N returns * A number That number * A date The serial number of that date * TRUE 1 * FALSE 0 * An error value The error value * Anything else 0 */ public static function N($value = null) { while (is_array($value)) { $value = array_shift($value); } switch (gettype($value)) { case 'double': case 'float': case 'integer': return $value; case 'boolean': return (integer) $value; case 'string': // Errors if ((strlen($value) > 0) && ($value{0} == '#')) { return $value; } break; } return 0; } /** * TYPE * * Returns a number that identifies the type of a value * * @param value The value you want tested * @return number N converts values listed in the following table * If value is or refers to N returns * A number 1 * Text 2 * Logical Value 4 * An error value 16 * Array or Matrix 64 */ public static function TYPE($value = null) { $value = self::flattenArrayIndexed($value); if (is_array($value) && (count($value) > 1)) { end($value); $a = key($value); // Range of cells is an error if (self::isCellValue($a)) { return 16; // Test for Matrix } elseif (self::isMatrixValue($a)) { return 64; } } elseif (empty($value)) { // Empty Cell return 1; } $value = self::flattenSingleValue($value); if (($value === null) || (is_float($value)) || (is_int($value))) { return 1; } elseif (is_bool($value)) { return 4; } elseif (is_array($value)) { return 64; } elseif (is_string($value)) { // Errors if ((strlen($value) > 0) && ($value{0} == '#')) { return 16; } return 2; } return 0; } /** * Convert a multi-dimensional array to a simple 1-dimensional array * * @param array $array Array to be flattened * @return array Flattened array */ public static function flattenArray($array) { if (!is_array($array)) { return (array) $array; } $arrayValues = array(); foreach ($array as $value) { if (is_array($value)) { foreach ($value as $val) { if (is_array($val)) { foreach ($val as $v) { $arrayValues[] = $v; } } else { $arrayValues[] = $val; } } } else { $arrayValues[] = $value; } } return $arrayValues; } /** * Convert a multi-dimensional array to a simple 1-dimensional array, but retain an element of indexing * * @param array $array Array to be flattened * @return array Flattened array */ public static function flattenArrayIndexed($array) { if (!is_array($array)) { return (array) $array; } $arrayValues = array(); foreach ($array as $k1 => $value) { if (is_array($value)) { foreach ($value as $k2 => $val) { if (is_array($val)) { foreach ($val as $k3 => $v) { $arrayValues[$k1.'.'.$k2.'.'.$k3] = $v; } } else { $arrayValues[$k1.'.'.$k2] = $val; } } } else { $arrayValues[$k1] = $value; } } return $arrayValues; } /** * Convert an array to a single scalar value by extracting the first element * * @param mixed $value Array or scalar value * @return mixed */ public static function flattenSingleValue($value = '') { while (is_array($value)) { $value = array_pop($value); } return $value; } } // // There are a few mathematical functions that aren't available on all versions of PHP for all platforms // These functions aren't available in Windows implementations of PHP prior to version 5.3.0 // So we test if they do exist for this version of PHP/operating platform; and if not we create them // if (!function_exists('acosh')) { function acosh($x) { return 2 * log(sqrt(($x + 1) / 2) + sqrt(($x - 1) / 2)); } // function acosh() } if (!function_exists('asinh')) { function asinh($x) { return log($x + sqrt(1 + $x * $x)); } // function asinh() } if (!function_exists('atanh')) { function atanh($x) { return (log(1 + $x) - log(1 - $x)) / 2; } // function atanh() } // // Strangely, PHP doesn't have a mb_str_replace multibyte function // As we'll only ever use this function with UTF-8 characters, we can simply "hard-code" the character set // if ((!function_exists('mb_str_replace')) && (function_exists('mb_substr')) && (function_exists('mb_strlen')) && (function_exists('mb_strpos'))) { function mb_str_replace($search, $replace, $subject) { if (is_array($subject)) { $ret = array(); foreach ($subject as $key => $val) { $ret[$key] = mb_str_replace($search, $replace, $val); } return $ret; } foreach ((array) $search as $key => $s) { if ($s == '' && $s !== 0) { continue; } $r = !is_array($replace) ? $replace : (array_key_exists($key, $replace) ? $replace[$key] : ''); $pos = mb_strpos($subject, $s, 0, 'UTF-8'); while ($pos !== false) { $subject = mb_substr($subject, 0, $pos, 'UTF-8') . $r . mb_substr($subject, $pos + mb_strlen($s, 'UTF-8'), 65535, 'UTF-8'); $pos = mb_strpos($subject, $s, $pos + mb_strlen($r, 'UTF-8'), 'UTF-8'); } } return $subject; } }
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