| 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 | ?> |