source: trunk/www.guidonia.net/wp/wp-includes/vars.php@ 44

Last change on this file since 44 was 44, checked in by luciano, 15 years ago
File size: 2.9 KB
Line 
1<?php
2/**
3 * Creates common globals for the rest of WordPress
4 *
5 * Sets $pagenow global which is the current page. Checks
6 * for the browser to set which one is currently being used.
7 *
8 * Detects which user environment WordPress is being used on.
9 * Only attempts to check for Apache and IIS. Two web servers
10 * with known permalink capability.
11 *
12 * @package WordPress
13 */
14
15// On which page are we ?
16if ( is_admin() ) {
17 // wp-admin pages are checked more carefully
18 preg_match('#/wp-admin/?(.*?)$#i', $PHP_SELF, $self_matches);
19 $pagenow = $self_matches[1];
20 $pagenow = preg_replace('#\?.*?$#', '', $pagenow);
21 if ( '' === $pagenow || 'index' === $pagenow || 'index.php' === $pagenow ) {
22 $pagenow = 'index.php';
23 } else {
24 preg_match('#(.*?)(/|$)#', $pagenow, $self_matches);
25 $pagenow = strtolower($self_matches[1]);
26 if ( '.php' !== substr($pagenow, -4, 4) )
27 $pagenow .= '.php'; // for Options +Multiviews: /wp-admin/themes/index.php (themes.php is queried)
28 }
29} else {
30 if ( preg_match('#([^/]+\.php)([?/].*?)?$#i', $PHP_SELF, $self_matches) )
31 $pagenow = strtolower($self_matches[1]);
32 else
33 $pagenow = 'index.php';
34}
35
36// Simple browser detection
37$is_lynx = $is_gecko = $is_winIE = $is_macIE = $is_opera = $is_NS4 = $is_safari = $is_chrome = $is_iphone = false;
38
39if (strpos($_SERVER['HTTP_USER_AGENT'], 'Lynx') !== false) {
40 $is_lynx = true;
41} elseif ( strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'chrome') !== false ) {
42 $is_chrome = true;
43} elseif ( strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'safari') !== false ) {
44 $is_safari = true;
45} elseif (strpos($_SERVER['HTTP_USER_AGENT'], 'Gecko') !== false) {
46 $is_gecko = true;
47} elseif (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Win') !== false) {
48 $is_winIE = true;
49} elseif (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Mac') !== false) {
50 $is_macIE = true;
51} elseif (strpos($_SERVER['HTTP_USER_AGENT'], 'Opera') !== false) {
52 $is_opera = true;
53} elseif (strpos($_SERVER['HTTP_USER_AGENT'], 'Nav') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Mozilla/4.') !== false) {
54 $is_NS4 = true;
55}
56
57if ( $is_safari && strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'mobile') !== false )
58 $is_iphone = true;
59
60$is_IE = ( $is_macIE || $is_winIE );
61
62// Server detection
63
64/**
65 * Whether the server software is Apache or something else
66 * @global bool $is_apache
67 */
68$is_apache = (strpos($_SERVER['SERVER_SOFTWARE'], 'Apache') !== false || strpos($_SERVER['SERVER_SOFTWARE'], 'LiteSpeed') !== false);
69
70/**
71 * Whether the server software is IIS or something else
72 * @global bool $is_IIS
73 */
74$is_IIS = (strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS') !== false || strpos($_SERVER['SERVER_SOFTWARE'], 'ExpressionDevServer') !== false);
75
76/**
77 * Whether the server software is IIS 7.X
78 * @global bool $is_iis7
79 */
80$is_iis7 = (strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS/7.') !== false);
81
82
83?>
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