aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/web/phpxmlrpclib/compat/version_compare.php
diff options
context:
space:
mode:
Diffstat (limited to 'web/phpxmlrpclib/compat/version_compare.php')
-rw-r--r--web/phpxmlrpclib/compat/version_compare.php179
1 files changed, 179 insertions, 0 deletions
diff --git a/web/phpxmlrpclib/compat/version_compare.php b/web/phpxmlrpclib/compat/version_compare.php
new file mode 100644
index 0000000..a1211ea
--- /dev/null
+++ b/web/phpxmlrpclib/compat/version_compare.php
@@ -0,0 +1,179 @@
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: Philippe Jausions <Philippe.Jausions@11abacus.com> |
16// | Aidan Lister <aidan@php.net> |
17// +----------------------------------------------------------------------+
18//
19// $Id: version_compare.php 2 2009-03-16 20:22:51Z ggiunta $
20
21
22/**
23 * Replace version_compare()
24 *
25 * @category PHP
26 * @package PHP_Compat
27 * @link http://php.net/function.version_compare
28 * @author Philippe Jausions <Philippe.Jausions@11abacus.com>
29 * @author Aidan Lister <aidan@php.net>
30 * @version $Revision: 1.1 $
31 * @since PHP 4.1.0
32 * @require PHP 4.0.0 (user_error)
33 */
34if (!function_exists('version_compare')) {
35 function version_compare($version1, $version2, $operator = '<')
36 {
37 // Check input
38 if (!is_scalar($version1)) {
39 user_error('version_compare() expects parameter 1 to be string, ' .
40 gettype($version1) . ' given', E_USER_WARNING);
41 return;
42 }
43
44 if (!is_scalar($version2)) {
45 user_error('version_compare() expects parameter 2 to be string, ' .
46 gettype($version2) . ' given', E_USER_WARNING);
47 return;
48 }
49
50 if (!is_scalar($operator)) {
51 user_error('version_compare() expects parameter 3 to be string, ' .
52 gettype($operator) . ' given', E_USER_WARNING);
53 return;
54 }
55
56 // Standardise versions
57 $v1 = explode('.',
58 str_replace('..', '.',
59 preg_replace('/([^0-9\.]+)/', '.$1.',
60 str_replace(array('-', '_', '+'), '.',
61 trim($version1)))));
62
63 $v2 = explode('.',
64 str_replace('..', '.',
65 preg_replace('/([^0-9\.]+)/', '.$1.',
66 str_replace(array('-', '_', '+'), '.',
67 trim($version2)))));
68
69 // Replace empty entries at the start of the array
70 while (empty($v1[0]) && array_shift($v1)) {}
71 while (empty($v2[0]) && array_shift($v2)) {}
72
73 // Release state order
74 // '#' stands for any number
75 $versions = array(
76 'dev' => 0,
77 'alpha' => 1,
78 'a' => 1,
79 'beta' => 2,
80 'b' => 2,
81 'RC' => 3,
82 '#' => 4,
83 'p' => 5,
84 'pl' => 5);
85
86 // Loop through each segment in the version string
87 $compare = 0;
88 for ($i = 0, $x = min(count($v1), count($v2)); $i < $x; $i++) {
89 if ($v1[$i] == $v2[$i]) {
90 continue;
91 }
92 $i1 = $v1[$i];
93 $i2 = $v2[$i];
94 if (is_numeric($i1) && is_numeric($i2)) {
95 $compare = ($i1 < $i2) ? -1 : 1;
96 break;
97 }
98 // We use the position of '#' in the versions list
99 // for numbers... (so take care of # in original string)
100 if ($i1 == '#') {
101 $i1 = '';
102 } elseif (is_numeric($i1)) {
103 $i1 = '#';
104 }
105 if ($i2 == '#') {
106 $i2 = '';
107 } elseif (is_numeric($i2)) {
108 $i2 = '#';
109 }
110 if (isset($versions[$i1]) && isset($versions[$i2])) {
111 $compare = ($versions[$i1] < $versions[$i2]) ? -1 : 1;
112 } elseif (isset($versions[$i1])) {
113 $compare = 1;
114 } elseif (isset($versions[$i2])) {
115 $compare = -1;
116 } else {
117 $compare = 0;
118 }
119
120 break;
121 }
122
123 // If previous loop didn't find anything, compare the "extra" segments
124 if ($compare == 0) {
125 if (count($v2) > count($v1)) {
126 if (isset($versions[$v2[$i]])) {
127 $compare = ($versions[$v2[$i]] < 4) ? 1 : -1;
128 } else {
129 $compare = -1;
130 }
131 } elseif (count($v2) < count($v1)) {
132 if (isset($versions[$v1[$i]])) {
133 $compare = ($versions[$v1[$i]] < 4) ? -1 : 1;
134 } else {
135 $compare = 1;
136 }
137 }
138 }
139
140 // Compare the versions
141 if (func_num_args() > 2) {
142 switch ($operator) {
143 case '>':
144 case 'gt':
145 return (bool) ($compare > 0);
146 break;
147 case '>=':
148 case 'ge':
149 return (bool) ($compare >= 0);
150 break;
151 case '<=':
152 case 'le':
153 return (bool) ($compare <= 0);
154 break;
155 case '==':
156 case '=':
157 case 'eq':
158 return (bool) ($compare == 0);
159 break;
160 case '<>':
161 case '!=':
162 case 'ne':
163 return (bool) ($compare != 0);
164 break;
165 case '':
166 case '<':
167 case 'lt':
168 return (bool) ($compare < 0);
169 break;
170 default:
171 return;
172 }
173 }
174
175 return $compare;
176 }
177}
178
179?> \ No newline at end of file
generated by cgit v1.1 at 2024-12-23 17:45:27 +0000