source: branches/version-2_5-dev/data/module/Compat/Compat/Function/str_ireplace.php @ 20119

Revision 20119, 4.4 KB checked in by nanasess, 13 years ago (diff)

module 以下は svn:keywords を除外

  • Property svn:eol-style set to LF
  • Property svn:mime-type set to text/x-httpd-php; charset=UTF-8
Line 
1<?php
2// +----------------------------------------------------------------------+
3// | PHP Version 4                                                        |
4// +----------------------------------------------------------------------+
5// | Copyright (c) 1997-2004 The PHP Group                                |
6// +----------------------------------------------------------------------+
7// | This source file is subject to version 3.0 of the PHP license,       |
8// | that is bundled with this package in the file LICENSE, and is        |
9// | available at through the world-wide-web at                           |
10// | http://www.php.net/license/3_0.txt.                                  |
11// | If you did not receive a copy of the PHP license and are unable to   |
12// | obtain it through the world-wide-web, please send a note to          |
13// | license@php.net so we can mail you a copy immediately.               |
14// +----------------------------------------------------------------------+
15// | Authors: Aidan Lister <aidan@php.net>                                |
16// +----------------------------------------------------------------------+
17//
18// $Id: str_ireplace.php,v 1.18 2005/01/26 04:55:13 aidan Exp $
19
20
21/**
22 * Replace str_ireplace()
23 *
24 * @category    PHP
25 * @package     PHP_Compat
26 * @link        http://php.net/function.str_ireplace
27 * @author      Aidan Lister <aidan@php.net>
28 * @version     $Revision: 1.18 $
29 * @since       PHP 5
30 * @require     PHP 4.0.0 (user_error)
31 * @note        count not by returned by reference, to enable
32 *              change '$count = null' to '&$count'
33 */
34if (!function_exists('str_ireplace')) {
35    function str_ireplace($search, $replace, $subject, $count = null)
36    {
37        // Sanity check
38        if (is_string($search) && is_array($replace)) {
39            user_error('Array to string conversion', E_USER_NOTICE);
40            $replace = (string) $replace;
41        }
42
43        // If search isn't an array, make it one
44        if (!is_array($search)) {
45            $search = array ($search);
46        }
47        $search = array_values($search);
48
49        // If replace isn't an array, make it one, and pad it to the length of search
50        if (!is_array($replace)) {
51            $replace_string = $replace;
52
53            $replace = array ();
54            for ($i = 0, $c = count($search); $i < $c; $i++) {
55                $replace[$i] = $replace_string;
56            }
57        }
58        $replace = array_values($replace);
59
60        // Check the replace array is padded to the correct length
61        $length_replace = count($replace);
62        $length_search = count($search);
63        if ($length_replace < $length_search) {
64            for ($i = $length_replace; $i < $length_search; $i++) {
65                $replace[$i] = '';
66            }
67        }
68
69        // If subject is not an array, make it one
70        $was_array = false;
71        if (!is_array($subject)) {
72            $was_array = true;
73            $subject = array ($subject);
74        }
75
76        // Loop through each subject
77        $count = 0;
78        foreach ($subject as $subject_key => $subject_value) {
79            // Loop through each search
80            foreach ($search as $search_key => $search_value) {
81                // Split the array into segments, in between each part is our search
82                $segments = explode(strtolower($search_value), strtolower($subject_value));
83
84                // The number of replacements done is the number of segments minus the first
85                $count += count($segments) - 1;
86                $pos = 0;
87
88                // Loop through each segment
89                foreach ($segments as $segment_key => $segment_value) {
90                    // Replace the lowercase segments with the upper case versions
91                    $segments[$segment_key] = substr($subject_value, $pos, strlen($segment_value));
92                    // Increase the position relative to the initial string
93                    $pos += strlen($segment_value) + strlen($search_value);
94                }
95
96                // Put our original string back together
97                $subject_value = implode($replace[$search_key], $segments);
98            }
99
100            $result[$subject_key] = $subject_value;
101        }
102
103        // Check if subject was initially a string and return it as a string
104        if ($was_array === true) {
105            return $result[0];
106        }
107
108        // Otherwise, just return the array
109        return $result;
110    }
111}
112
113?>
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