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Performance tweaks to the Calculation Engine to reduce memory usage. Splitting the functions.php into several smaller classes based on function category, so that only those category files actually used by functions in formulae will be included by the autoloader
git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@64720 2327b42d-5241-43d6-9e2a-de5ac946f064
This commit is contained in:
Mark Baker
@@ -0,0 +1,588 @@
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<?php
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/**
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* PHPExcel
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*
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* Copyright (c) 2006 - 2010 PHPExcel
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* @category PHPExcel
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* @package PHPExcel_Calculation
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* @copyright Copyright (c) 2006 - 2010 PHPExcel (http://www.codeplex.com/PHPExcel)
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* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
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* @version ##VERSION##, ##DATE##
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*/
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/** PHPExcel root directory */
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if (!defined('PHPEXCEL_ROOT')) {
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/**
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* @ignore
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*/
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define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');
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require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
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}
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/**
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* PHPExcel_Calculation_TextData
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*
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* @category PHPExcel
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* @package PHPExcel_Calculation
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* @copyright Copyright (c) 2006 - 2010 PHPExcel (http://www.codeplex.com/PHPExcel)
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*/
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class PHPExcel_Calculation_TextData {
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private static $_invalidChars = Null;
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private static function _uniord($c) {
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if (ord($c{0}) >=0 && ord($c{0}) <= 127)
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return ord($c{0});
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if (ord($c{0}) >= 192 && ord($c{0}) <= 223)
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return (ord($c{0})-192)*64 + (ord($c{1})-128);
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if (ord($c{0}) >= 224 && ord($c{0}) <= 239)
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return (ord($c{0})-224)*4096 + (ord($c{1})-128)*64 + (ord($c{2})-128);
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if (ord($c{0}) >= 240 && ord($c{0}) <= 247)
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return (ord($c{0})-240)*262144 + (ord($c{1})-128)*4096 + (ord($c{2})-128)*64 + (ord($c{3})-128);
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if (ord($c{0}) >= 248 && ord($c{0}) <= 251)
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return (ord($c{0})-248)*16777216 + (ord($c{1})-128)*262144 + (ord($c{2})-128)*4096 + (ord($c{3})-128)*64 + (ord($c{4})-128);
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if (ord($c{0}) >= 252 && ord($c{0}) <= 253)
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return (ord($c{0})-252)*1073741824 + (ord($c{1})-128)*16777216 + (ord($c{2})-128)*262144 + (ord($c{3})-128)*4096 + (ord($c{4})-128)*64 + (ord($c{5})-128);
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if (ord($c{0}) >= 254 && ord($c{0}) <= 255) //error
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return PHPExcel_Calculation_Functions::VALUE();
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return 0;
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} // function _uniord()
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/**
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* CHARACTER
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*
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* @param string $character Value
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* @return int
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*/
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public static function CHARACTER($character) {
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$character = PHPExcel_Calculation_Functions::flattenSingleValue($character);
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if ((!is_numeric($character)) || ($character < 0)) {
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return PHPExcel_Calculation_Functions::VALUE();
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}
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if (function_exists('mb_convert_encoding')) {
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return mb_convert_encoding('&#'.intval($character).';', 'UTF-8', 'HTML-ENTITIES');
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} else {
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return chr(intval($character));
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}
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}
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/**
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* TRIMNONPRINTABLE
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*
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* @param mixed $value Value to check
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* @return string
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*/
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public static function TRIMNONPRINTABLE($stringValue = '') {
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$stringValue = PHPExcel_Calculation_Functions::flattenSingleValue($stringValue);
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if (is_bool($stringValue)) {
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$stringValue = ($stringValue) ? 'TRUE' : 'FALSE';
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}
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if (self::$_invalidChars == Null) {
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self::$_invalidChars = range(chr(0),chr(31));
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}
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if (is_string($stringValue) || is_numeric($stringValue)) {
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return str_replace(self::$_invalidChars,'',trim($stringValue,"\x00..\x1F"));
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}
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return Null;
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} // function TRIMNONPRINTABLE()
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/**
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* TRIMSPACES
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*
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* @param mixed $value Value to check
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* @return string
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*/
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public static function TRIMSPACES($stringValue = '') {
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$stringValue = PHPExcel_Calculation_Functions::flattenSingleValue($stringValue);
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if (is_string($stringValue) || is_numeric($stringValue)) {
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return trim(preg_replace('/ +/',' ',$stringValue));
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}
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return Null;
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} // function TRIMSPACES()
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/**
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* ASCIICODE
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*
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* @param string $character Value
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* @return int
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*/
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public static function ASCIICODE($characters) {
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$characters = PHPExcel_Calculation_Functions::flattenSingleValue($characters);
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if (is_bool($characters)) {
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if (PHPExcel_Calculation_Functions::getCompatibilityMode() == PHPExcel_Calculation_Functions::COMPATIBILITY_OPENOFFICE) {
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$characters = (int) $characters;
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} else {
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if ($characters) {
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$characters = 'True';
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} else {
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$characters = 'False';
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}
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}
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}
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$character = $characters;
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if ((function_exists('mb_strlen')) && (function_exists('mb_substr'))) {
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if (mb_strlen($characters, 'UTF-8') > 1) { $character = mb_substr($characters, 0, 1, 'UTF-8'); }
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return self::_uniord($character);
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} else {
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if (strlen($characters) > 0) { $character = substr($characters, 0, 1); }
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return ord($character);
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}
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} // function ASCIICODE()
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/**
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* CONCATENATE
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*
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* @return string
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*/
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public static function CONCATENATE() {
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// Return value
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$returnValue = '';
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// Loop through arguments
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$aArgs = PHPExcel_Calculation_Functions::flattenArray(func_get_args());
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foreach ($aArgs as $arg) {
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if (is_bool($arg)) {
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if (PHPExcel_Calculation_Functions::getCompatibilityMode() == PHPExcel_Calculation_Functions::COMPATIBILITY_OPENOFFICE) {
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$arg = (int) $arg;
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} else {
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if ($arg) {
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$arg = 'TRUE';
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} else {
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$arg = 'FALSE';
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}
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}
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}
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$returnValue .= $arg;
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}
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// Return
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return $returnValue;
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} // function CONCATENATE()
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/**
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* DOLLAR
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*
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* This function converts a number to text using currency format, with the decimals rounded to the specified place.
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* The format used is $#,##0.00_);($#,##0.00)..
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*
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* @param float $value The value to format
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* @param int $decimals The number of digits to display to the right of the decimal point.
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* If decimals is negative, number is rounded to the left of the decimal point.
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* If you omit decimals, it is assumed to be 2
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* @return string
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*/
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public static function DOLLAR($value = 0, $decimals = 2) {
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$value = PHPExcel_Calculation_Functions::flattenSingleValue($value);
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$decimals = is_null($decimals) ? 0 : PHPExcel_Calculation_Functions::flattenSingleValue($decimals);
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// Validate parameters
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if (!is_numeric($value) || !is_numeric($decimals)) {
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return PHPExcel_Calculation_Functions::NaN();
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}
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$decimals = floor($decimals);
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if ($decimals > 0) {
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return money_format('%.'.$decimals.'n',$value);
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} else {
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$round = pow(10,abs($decimals));
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if ($value < 0) { $round = 0-$round; }
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$value = PHPExcel_Calculation_MathTrig::MROUND($value,$round);
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// The implementation of money_format used if the standard PHP function is not available can't handle decimal places of 0,
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// so we display to 1 dp and chop off that character and the decimal separator using substr
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return substr(money_format('%.1n',$value),0,-2);
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}
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} // function DOLLAR()
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/**
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* SEARCHSENSITIVE
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*
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* @param string $needle The string to look for
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* @param string $haystack The string in which to look
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* @param int $offset Offset within $haystack
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* @return string
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*/
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public static function SEARCHSENSITIVE($needle,$haystack,$offset=1) {
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$needle = PHPExcel_Calculation_Functions::flattenSingleValue($needle);
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$haystack = PHPExcel_Calculation_Functions::flattenSingleValue($haystack);
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$offset = PHPExcel_Calculation_Functions::flattenSingleValue($offset);
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if (!is_bool($needle)) {
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if (is_bool($haystack)) {
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$haystack = ($haystack) ? 'TRUE' : 'FALSE';
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}
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if (($offset > 0) && (strlen($haystack) > $offset)) {
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if (function_exists('mb_strpos')) {
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$pos = mb_strpos($haystack, $needle, --$offset,'UTF-8');
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} else {
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$pos = strpos($haystack, $needle, --$offset);
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}
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if ($pos !== false) {
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return ++$pos;
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}
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}
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}
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return PHPExcel_Calculation_Functions::VALUE();
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} // function SEARCHSENSITIVE()
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/**
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* SEARCHINSENSITIVE
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*
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* @param string $needle The string to look for
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* @param string $haystack The string in which to look
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* @param int $offset Offset within $haystack
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* @return string
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*/
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public static function SEARCHINSENSITIVE($needle,$haystack,$offset=1) {
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$needle = PHPExcel_Calculation_Functions::flattenSingleValue($needle);
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$haystack = PHPExcel_Calculation_Functions::flattenSingleValue($haystack);
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$offset = PHPExcel_Calculation_Functions::flattenSingleValue($offset);
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if (!is_bool($needle)) {
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if (is_bool($haystack)) {
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$haystack = ($haystack) ? 'TRUE' : 'FALSE';
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}
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if (($offset > 0) && (strlen($haystack) > $offset)) {
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if (function_exists('mb_stripos')) {
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$pos = mb_stripos($haystack, $needle, --$offset,'UTF-8');
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} else {
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$pos = stripos($haystack, $needle, --$offset);
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}
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if ($pos !== false) {
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return ++$pos;
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}
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}
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}
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return PHPExcel_Calculation_Functions::VALUE();
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} // function SEARCHINSENSITIVE()
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/**
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* FIXEDFORMAT
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*
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* @param mixed $value Value to check
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* @return boolean
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*/
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public static function FIXEDFORMAT($value,$decimals=2,$no_commas=false) {
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$value = PHPExcel_Calculation_Functions::flattenSingleValue($value);
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$decimals = PHPExcel_Calculation_Functions::flattenSingleValue($decimals);
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$no_commas = PHPExcel_Calculation_Functions::flattenSingleValue($no_commas);
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$valueResult = round($value,$decimals);
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if ($decimals < 0) { $decimals = 0; }
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if (!$no_commas) {
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$valueResult = number_format($valueResult,$decimals);
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}
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return (string) $valueResult;
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} // function FIXEDFORMAT()
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/**
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* LEFT
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*
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* @param string $value Value
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* @param int $chars Number of characters
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* @return string
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*/
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public static function LEFT($value = '', $chars = 1) {
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$value = PHPExcel_Calculation_Functions::flattenSingleValue($value);
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$chars = PHPExcel_Calculation_Functions::flattenSingleValue($chars);
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if ($chars < 0) {
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return PHPExcel_Calculation_Functions::VALUE();
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}
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if (is_bool($value)) {
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$value = ($value) ? 'TRUE' : 'FALSE';
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}
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if (function_exists('mb_substr')) {
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return mb_substr($value, 0, $chars, 'UTF-8');
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} else {
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return substr($value, 0, $chars);
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}
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} // function LEFT()
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/**
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* MID
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*
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* @param string $value Value
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* @param int $start Start character
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* @param int $chars Number of characters
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* @return string
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*/
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public static function MID($value = '', $start = 1, $chars = null) {
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$value = PHPExcel_Calculation_Functions::flattenSingleValue($value);
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$start = PHPExcel_Calculation_Functions::flattenSingleValue($start);
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$chars = PHPExcel_Calculation_Functions::flattenSingleValue($chars);
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if (($start < 1) || ($chars < 0)) {
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return PHPExcel_Calculation_Functions::VALUE();
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}
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if (is_bool($value)) {
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$value = ($value) ? 'TRUE' : 'FALSE';
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}
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if (function_exists('mb_substr')) {
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return mb_substr($value, --$start, $chars, 'UTF-8');
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} else {
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return substr($value, --$start, $chars);
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}
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} // function MID()
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/**
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* RIGHT
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*
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* @param string $value Value
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||||
* @param int $chars Number of characters
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* @return string
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*/
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public static function RIGHT($value = '', $chars = 1) {
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$value = PHPExcel_Calculation_Functions::flattenSingleValue($value);
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$chars = PHPExcel_Calculation_Functions::flattenSingleValue($chars);
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if ($chars < 0) {
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return PHPExcel_Calculation_Functions::VALUE();
|
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}
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if (is_bool($value)) {
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$value = ($value) ? 'TRUE' : 'FALSE';
|
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}
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if ((function_exists('mb_substr')) && (function_exists('mb_strlen'))) {
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return mb_substr($value, mb_strlen($value, 'UTF-8') - $chars, $chars, 'UTF-8');
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||||
} else {
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return substr($value, strlen($value) - $chars);
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||||
}
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||||
} // function RIGHT()
|
||||
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||||
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||||
/**
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||||
* STRINGLENGTH
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||||
*
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* @param string $value Value
|
||||
* @param int $chars Number of characters
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||||
* @return string
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||||
*/
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||||
public static function STRINGLENGTH($value = '') {
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||||
$value = PHPExcel_Calculation_Functions::flattenSingleValue($value);
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||||
|
||||
if (is_bool($value)) {
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||||
$value = ($value) ? 'TRUE' : 'FALSE';
|
||||
}
|
||||
|
||||
if (function_exists('mb_strlen')) {
|
||||
return mb_strlen($value, 'UTF-8');
|
||||
} else {
|
||||
return strlen($value);
|
||||
}
|
||||
} // function STRINGLENGTH()
|
||||
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||||
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||||
/**
|
||||
* LOWERCASE
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||||
*
|
||||
* Converts a string value to upper case.
|
||||
*
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||||
* @param string $mixedCaseString
|
||||
* @return string
|
||||
*/
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||||
public static function LOWERCASE($mixedCaseString) {
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||||
$mixedCaseString = PHPExcel_Calculation_Functions::flattenSingleValue($mixedCaseString);
|
||||
|
||||
if (is_bool($mixedCaseString)) {
|
||||
$mixedCaseString = ($mixedCaseString) ? 'TRUE' : 'FALSE';
|
||||
}
|
||||
|
||||
if (function_exists('mb_convert_case')) {
|
||||
return mb_convert_case($mixedCaseString, MB_CASE_LOWER, 'UTF-8');
|
||||
} else {
|
||||
return strtoupper($mixedCaseString);
|
||||
}
|
||||
} // function LOWERCASE()
|
||||
|
||||
|
||||
/**
|
||||
* UPPERCASE
|
||||
*
|
||||
* Converts a string value to upper case.
|
||||
*
|
||||
* @param string $mixedCaseString
|
||||
* @return string
|
||||
*/
|
||||
public static function UPPERCASE($mixedCaseString) {
|
||||
$mixedCaseString = PHPExcel_Calculation_Functions::flattenSingleValue($mixedCaseString);
|
||||
|
||||
if (is_bool($mixedCaseString)) {
|
||||
$mixedCaseString = ($mixedCaseString) ? 'TRUE' : 'FALSE';
|
||||
}
|
||||
|
||||
if (function_exists('mb_convert_case')) {
|
||||
return mb_convert_case($mixedCaseString, MB_CASE_UPPER, 'UTF-8');
|
||||
} else {
|
||||
return strtoupper($mixedCaseString);
|
||||
}
|
||||
} // function UPPERCASE()
|
||||
|
||||
|
||||
/**
|
||||
* PROPERCASE
|
||||
*
|
||||
* Converts a string value to upper case.
|
||||
*
|
||||
* @param string $mixedCaseString
|
||||
* @return string
|
||||
*/
|
||||
public static function PROPERCASE($mixedCaseString) {
|
||||
$mixedCaseString = PHPExcel_Calculation_Functions::flattenSingleValue($mixedCaseString);
|
||||
|
||||
if (is_bool($mixedCaseString)) {
|
||||
$mixedCaseString = ($mixedCaseString) ? 'TRUE' : 'FALSE';
|
||||
}
|
||||
|
||||
if (function_exists('mb_convert_case')) {
|
||||
return mb_convert_case($mixedCaseString, MB_CASE_TITLE, 'UTF-8');
|
||||
} else {
|
||||
return ucwords($mixedCaseString);
|
||||
}
|
||||
} // function PROPERCASE()
|
||||
|
||||
|
||||
/**
|
||||
* REPLACE
|
||||
*
|
||||
* @param string $value Value
|
||||
* @param int $start Start character
|
||||
* @param int $chars Number of characters
|
||||
* @return string
|
||||
*/
|
||||
public static function REPLACE($oldText = '', $start = 1, $chars = null, $newText) {
|
||||
$oldText = PHPExcel_Calculation_Functions::flattenSingleValue($oldText);
|
||||
$start = PHPExcel_Calculation_Functions::flattenSingleValue($start);
|
||||
$chars = PHPExcel_Calculation_Functions::flattenSingleValue($chars);
|
||||
$newText = PHPExcel_Calculation_Functions::flattenSingleValue($newText);
|
||||
|
||||
$left = self::LEFT($oldText,$start-1);
|
||||
$right = self::RIGHT($oldText,self::STRINGLENGTH($oldText)-($start+$chars)+1);
|
||||
|
||||
return $left.$newText.$right;
|
||||
} // function REPLACE()
|
||||
|
||||
|
||||
/**
|
||||
* SUBSTITUTE
|
||||
*
|
||||
* @param string $text Value
|
||||
* @param string $fromText From Value
|
||||
* @param string $toText To Value
|
||||
* @param integer $instance Instance Number
|
||||
* @return string
|
||||
*/
|
||||
public static function SUBSTITUTE($text = '', $fromText = '', $toText = '', $instance = 0) {
|
||||
$text = PHPExcel_Calculation_Functions::flattenSingleValue($text);
|
||||
$fromText = PHPExcel_Calculation_Functions::flattenSingleValue($fromText);
|
||||
$toText = PHPExcel_Calculation_Functions::flattenSingleValue($toText);
|
||||
$instance = floor(PHPExcel_Calculation_Functions::flattenSingleValue($instance));
|
||||
|
||||
if ($instance == 0) {
|
||||
if(function_exists('mb_str_replace')) {
|
||||
return mb_str_replace($fromText,$toText,$text);
|
||||
} else {
|
||||
return str_replace($fromText,$toText,$text);
|
||||
}
|
||||
} else {
|
||||
$pos = -1;
|
||||
while($instance > 0) {
|
||||
if (function_exists('mb_strpos')) {
|
||||
$pos = mb_strpos($text, $fromText, $pos+1, 'UTF-8');
|
||||
} else {
|
||||
$pos = strpos($text, $fromText, $pos+1);
|
||||
}
|
||||
if ($pos === false) {
|
||||
break;
|
||||
}
|
||||
--$instance;
|
||||
}
|
||||
if ($pos !== false) {
|
||||
if (function_exists('mb_strlen')) {
|
||||
return self::REPLACE($text,++$pos,mb_strlen($fromText, 'UTF-8'),$toText);
|
||||
} else {
|
||||
return self::REPLACE($text,++$pos,strlen($fromText),$toText);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return $left.$newText.$right;
|
||||
} // function SUBSTITUTE()
|
||||
|
||||
|
||||
/**
|
||||
* RETURNSTRING
|
||||
*
|
||||
* @param mixed $value Value to check
|
||||
* @return boolean
|
||||
*/
|
||||
public static function RETURNSTRING($testValue = '') {
|
||||
$testValue = PHPExcel_Calculation_Functions::flattenSingleValue($testValue);
|
||||
|
||||
if (is_string($testValue)) {
|
||||
return $testValue;
|
||||
}
|
||||
return Null;
|
||||
} // function RETURNSTRING()
|
||||
|
||||
|
||||
/**
|
||||
* TEXTFORMAT
|
||||
*
|
||||
* @param mixed $value Value to check
|
||||
* @return boolean
|
||||
*/
|
||||
public static function TEXTFORMAT($value,$format) {
|
||||
$value = PHPExcel_Calculation_Functions::flattenSingleValue($value);
|
||||
$format = PHPExcel_Calculation_Functions::flattenSingleValue($format);
|
||||
|
||||
if ((is_string($value)) && (!is_numeric($value)) && PHPExcel_Shared_Date::isDateTimeFormatCode($format)) {
|
||||
$value = PHPExcel_Calculation_DateTime::DATEVALUE($value);
|
||||
}
|
||||
|
||||
return (string) PHPExcel_Style_NumberFormat::toFormattedString($value,$format);
|
||||
} // function TEXTFORMAT()
|
||||
|
||||
} // class PHPExcel_Calculation_TextData
|
||||
Reference in New Issue
Block a user