| 1 |
lars |
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: Compat.php,v 1.19 2005/05/10 12:05:36 aidan Exp $
|
|
|
19 |
|
|
|
20 |
|
|
|
21 |
/**
|
|
|
22 |
* Provides missing functionality in the form of constants and functions
|
|
|
23 |
* for older versions of PHP
|
|
|
24 |
*
|
|
|
25 |
* Optionally, you may simply include the file.
|
|
|
26 |
* e.g. require_once 'PHP/Compat/Function/scandir.php';
|
|
|
27 |
*
|
|
|
28 |
* @category PHP
|
|
|
29 |
* @package PHP_Compat
|
|
|
30 |
* @version $Revision: 1.19 $
|
|
|
31 |
* @author Aidan Lister <aidan@php.net>
|
|
|
32 |
* @static
|
|
|
33 |
*/
|
|
|
34 |
class PHP_Compat
|
|
|
35 |
{
|
|
|
36 |
/**
|
|
|
37 |
* Load a function, or array of functions
|
|
|
38 |
*
|
|
|
39 |
* @param string|array $function The function or functions to load
|
|
|
40 |
* @return bool|array TRUE if loaded, FALSE if not
|
|
|
41 |
*/
|
|
|
42 |
function loadFunction($function)
|
|
|
43 |
{
|
|
|
44 |
// Recursiveness
|
|
|
45 |
if (is_array($function)) {
|
|
|
46 |
$res = array();
|
|
|
47 |
foreach ($function as $singlefunc) {
|
|
|
48 |
$res[$singlefunc] = PHP_Compat::loadFunction($singlefunc);
|
|
|
49 |
}
|
|
|
50 |
|
|
|
51 |
return $res;
|
|
|
52 |
}
|
|
|
53 |
|
|
|
54 |
// Load function
|
|
|
55 |
if (!function_exists($function)) {
|
|
|
56 |
$file = sprintf('PHP/Compat/Function/%s.php', $function);
|
|
|
57 |
if ((@include_once $file) !== false) {
|
|
|
58 |
return true;
|
|
|
59 |
}
|
|
|
60 |
}
|
|
|
61 |
|
|
|
62 |
return false;
|
|
|
63 |
}
|
|
|
64 |
|
|
|
65 |
|
|
|
66 |
/**
|
|
|
67 |
* Load a constant, or array of constants
|
|
|
68 |
*
|
|
|
69 |
* @param string|array $constant The constant or constants to load
|
|
|
70 |
* @return bool|array TRUE if loaded, FALSE if not
|
|
|
71 |
*/
|
|
|
72 |
function loadConstant($constant)
|
|
|
73 |
{
|
|
|
74 |
// Recursiveness
|
|
|
75 |
if (is_array($constant)) {
|
|
|
76 |
$res = array();
|
|
|
77 |
foreach ($constant as $singleconst) {
|
|
|
78 |
$res[$singleconst] = PHP_Compat::loadConstant($singleconst);
|
|
|
79 |
}
|
|
|
80 |
|
|
|
81 |
return $res;
|
|
|
82 |
}
|
|
|
83 |
|
|
|
84 |
// Load constant
|
|
|
85 |
$file = sprintf('PHP/Compat/Constant/%s.php', $constant);
|
|
|
86 |
if ((@include_once $file) !== false) {
|
|
|
87 |
return true;
|
|
|
88 |
}
|
|
|
89 |
|
|
|
90 |
return false;
|
|
|
91 |
}
|
|
|
92 |
|
|
|
93 |
|
|
|
94 |
/**
|
|
|
95 |
* Load components for a PHP version
|
|
|
96 |
*
|
|
|
97 |
* @param string $version PHP Version to load
|
|
|
98 |
* @return array An associative array of component names loaded
|
|
|
99 |
*/
|
|
|
100 |
function loadVersion($version = null)
|
|
|
101 |
{
|
|
|
102 |
// Include list of components
|
|
|
103 |
require 'PHP/Compat/Components.php';
|
|
|
104 |
|
|
|
105 |
// Include version_compare to work with older versions
|
|
|
106 |
PHP_Compat::loadFunction('version_compare');
|
|
|
107 |
|
|
|
108 |
// Init
|
|
|
109 |
$phpversion = phpversion();
|
|
|
110 |
$methods = array(
|
|
|
111 |
'function' => 'loadFunction',
|
|
|
112 |
'constant' => 'loadConstant');
|
|
|
113 |
$res = array();
|
|
|
114 |
|
|
|
115 |
// Iterate each component
|
|
|
116 |
foreach ($components as $type => $slice) {
|
|
|
117 |
foreach ($slice as $component => $compversion) {
|
|
|
118 |
if (($version === null &&
|
|
|
119 |
1 === version_compare($compversion, $phpversion)) || // C > PHP
|
|
|
120 |
(0 === version_compare($compversion, $version) || // C = S
|
|
|
121 |
1 === version_compare($compversion, $phpversion))) { // C > PHP
|
|
|
122 |
|
|
|
123 |
$res[$type][$component] =
|
|
|
124 |
call_user_func(array('PHP_Compat', $methods[$type]), $component);
|
|
|
125 |
}
|
|
|
126 |
}
|
|
|
127 |
}
|
|
|
128 |
|
|
|
129 |
return $res;
|
|
|
130 |
}
|
|
|
131 |
}
|
|
|
132 |
|
|
|
133 |
?>
|