1 | <?php |
2 | /** |
3 | * Creates common globals for the rest of WordPress |
4 | * |
5 | * Sets $pagenow global which is the current page. Checks |
6 | * for the browser to set which one is currently being used. |
7 | * |
8 | * Detects which user environment WordPress is being used on. |
9 | * Only attempts to check for Apache and IIS. Two web servers |
10 | * with known permalink capability. |
11 | * |
12 | * @package WordPress |
13 | */ |
14 | |
15 | // On which page are we ? |
16 | if ( is_admin() ) { |
17 | // wp-admin pages are checked more carefully |
18 | preg_match('#/wp-admin/?(.*?)$#i', $PHP_SELF, $self_matches); |
19 | $pagenow = $self_matches[1]; |
20 | $pagenow = trim($pagenow, '/'); |
21 | $pagenow = preg_replace('#\?.*?$#', '', $pagenow); |
22 | if ( '' === $pagenow || 'index' === $pagenow || 'index.php' === $pagenow ) { |
23 | $pagenow = 'index.php'; |
24 | } else { |
25 | preg_match('#(.*?)(/|$)#', $pagenow, $self_matches); |
26 | $pagenow = strtolower($self_matches[1]); |
27 | if ( '.php' !== substr($pagenow, -4, 4) ) |
28 | $pagenow .= '.php'; // for Options +Multiviews: /wp-admin/themes/index.php (themes.php is queried) |
29 | } |
30 | } else { |
31 | if ( preg_match('#([^/]+\.php)([?/].*?)?$#i', $PHP_SELF, $self_matches) ) |
32 | $pagenow = strtolower($self_matches[1]); |
33 | else |
34 | $pagenow = 'index.php'; |
35 | } |
36 | |
37 | // Simple browser detection |
38 | $is_lynx = $is_gecko = $is_winIE = $is_macIE = $is_opera = $is_NS4 = $is_safari = $is_chrome = $is_iphone = false; |
39 | |
40 | if ( isset($_SERVER['HTTP_USER_AGENT']) ) { |
41 | if ( strpos($_SERVER['HTTP_USER_AGENT'], 'Lynx') !== false ) { |
42 | $is_lynx = true; |
43 | } elseif ( stripos($_SERVER['HTTP_USER_AGENT'], 'chrome') !== false ) { |
44 | $is_chrome = true; |
45 | } elseif ( stripos($_SERVER['HTTP_USER_AGENT'], 'safari') !== false ) { |
46 | $is_safari = true; |
47 | } elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Gecko') !== false ) { |
48 | $is_gecko = true; |
49 | } elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Win') !== false ) { |
50 | $is_winIE = true; |
51 | } elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Mac') !== false ) { |
52 | $is_macIE = true; |
53 | } elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Opera') !== false ) { |
54 | $is_opera = true; |
55 | } elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Nav') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Mozilla/4.') !== false ) { |
56 | $is_NS4 = true; |
57 | } |
58 | } |
59 | |
60 | if ( $is_safari && stripos($_SERVER['HTTP_USER_AGENT'], 'mobile') !== false ) |
61 | $is_iphone = true; |
62 | |
63 | $is_IE = ( $is_macIE || $is_winIE ); |
64 | |
65 | // Server detection |
66 | |
67 | /** |
68 | * Whether the server software is Apache or something else |
69 | * @global bool $is_apache |
70 | */ |
71 | $is_apache = (strpos($_SERVER['SERVER_SOFTWARE'], 'Apache') !== false || strpos($_SERVER['SERVER_SOFTWARE'], 'LiteSpeed') !== false); |
72 | |
73 | /** |
74 | * Whether the server software is IIS or something else |
75 | * @global bool $is_IIS |
76 | */ |
77 | $is_IIS = (strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS') !== false || strpos($_SERVER['SERVER_SOFTWARE'], 'ExpressionDevServer') !== false); |
78 | |
79 | /** |
80 | * Whether the server software is IIS 7.X |
81 | * @global bool $is_iis7 |
82 | */ |
83 | $is_iis7 = (strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS/7.') !== false); |
84 | |
85 | |
86 | ?> |