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<?php |
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// +----------------------------------------------------------------------+ |
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// | PHP Version 4 | |
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// +----------------------------------------------------------------------+ |
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// | Copyright (c) 1997-2004 The PHP Group | |
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// +----------------------------------------------------------------------+ |
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// | This source file is subject to version 3.0 of the PHP license, | |
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// | that is bundled with this package in the file LICENSE, and is | |
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// | available at through the world-wide-web at | |
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// | http://www.php.net/license/3_0.txt. | |
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// | If you did not receive a copy of the PHP license and are unable to | |
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// | obtain it through the world-wide-web, please send a note to | |
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// | license@php.net so we can mail you a copy immediately. | |
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// +----------------------------------------------------------------------+ |
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// | Authors: Aidan Lister <aidan@php.net> | |
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// +----------------------------------------------------------------------+ |
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// |
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// $Id: str_ireplace.php,v 1.18 2005/01/26 04:55:13 aidan Exp $ |
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/** |
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* Replace str_ireplace() |
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* |
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* @category PHP |
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* @package PHP_Compat |
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* @link http://php.net/function.str_ireplace |
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* @author Aidan Lister <aidan@php.net> |
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* @version $Revision: 1.18 $ |
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* @since PHP 5 |
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* @require PHP 4.0.0 (user_error) |
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* @note count not by returned by reference, to enable |
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* change '$count = null' to '&$count' |
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*/ |
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if (!function_exists('str_ireplace')) { |
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function str_ireplace($search, $replace, $subject, $count = null) |
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{ |
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// Sanity check |
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if (is_string($search) && is_array($replace)) { |
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user_error('Array to string conversion', E_USER_NOTICE); |
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$replace = (string) $replace; |
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} |
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// If search isn't an array, make it one |
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if (!is_array($search)) { |
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$search = array ($search); |
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} |
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$search = array_values($search); |
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// If replace isn't an array, make it one, and pad it to the length of search |
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if (!is_array($replace)) { |
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$replace_string = $replace; |
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$replace = array (); |
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for ($i = 0, $c = count($search); $i < $c; $i++) { |
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$replace[$i] = $replace_string; |
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} |
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} |
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$replace = array_values($replace); |
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// Check the replace array is padded to the correct length |
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$length_replace = count($replace); |
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$length_search = count($search); |
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if ($length_replace < $length_search) { |
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for ($i = $length_replace; $i < $length_search; $i++) { |
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$replace[$i] = ''; |
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} |
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} |
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// If subject is not an array, make it one |
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$was_array = false; |
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if (!is_array($subject)) { |
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$was_array = true; |
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$subject = array ($subject); |
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} |
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// Loop through each subject |
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$count = 0; |
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foreach ($subject as $subject_key => $subject_value) { |
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// Loop through each search |
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foreach ($search as $search_key => $search_value) { |
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// Split the array into segments, in between each part is our search |
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$segments = explode(strtolower($search_value), strtolower($subject_value)); |
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// The number of replacements done is the number of segments minus the first |
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$count += count($segments) - 1; |
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$pos = 0; |
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// Loop through each segment |
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foreach ($segments as $segment_key => $segment_value) { |
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// Replace the lowercase segments with the upper case versions |
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$segments[$segment_key] = substr($subject_value, $pos, strlen($segment_value)); |
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// Increase the position relative to the initial string |
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$pos += strlen($segment_value) + strlen($search_value); |
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} |
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// Put our original string back together |
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$subject_value = implode($replace[$search_key], $segments); |
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} |
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$result[$subject_key] = $subject_value; |
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} |
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// Check if subject was initially a string and return it as a string |
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if ($was_array === true) { |
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return $result[0]; |
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} |
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// Otherwise, just return the array |
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return $result; |
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} |
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} |
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?> |