3 // On which page are we ?
5 // wp-admin pages are checked more carefully
6 preg_match('#/wp-admin/?(.*?)$#i', $PHP_SELF, $self_matches);
7 $pagenow = $self_matches[1];
8 $pagenow = preg_replace('#\?.*?$#', '', $pagenow);
9 if ( '' === $pagenow || 'index' === $pagenow || 'index.php' === $pagenow ) {
10 $pagenow = 'index.php';
12 preg_match('#(.*?)(/|$)#', $pagenow, $self_matches);
13 $pagenow = strtolower($self_matches[1]);
14 if ( '.php' !== substr($pagenow, -4, 4) )
15 $pagenow .= '.php'; // for Options +Multiviews: /wp-admin/themes/index.php (themes.php is queried)
18 if ( preg_match('#([^/]+\.php)([?/].*?)?$#i', $PHP_SELF, $self_matches) )
19 $pagenow = strtolower($self_matches[1]);
21 $pagenow = 'index.php';
24 // Simple browser detection
25 $is_lynx = $is_gecko = $is_winIE = $is_macIE = $is_opera = $is_NS4 = false;
27 if (strpos($_SERVER['HTTP_USER_AGENT'], 'Lynx') !== false) {
29 } elseif (strpos($_SERVER['HTTP_USER_AGENT'], 'Gecko') !== false) {
31 } elseif (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Win') !== false) {
33 } elseif (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Mac') !== false) {
35 } elseif (strpos($_SERVER['HTTP_USER_AGENT'], 'Opera') !== false) {
37 } elseif (strpos($_SERVER['HTTP_USER_AGENT'], 'Nav') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Mozilla/4.') !== false) {
41 $is_IE = ( $is_macIE || $is_winIE );
44 $is_apache = ((strpos($_SERVER['SERVER_SOFTWARE'], 'Apache') !== false) || (strpos($_SERVER['SERVER_SOFTWARE'], 'LiteSpeed') !== false)) ? true : false;
45 $is_IIS = (strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS') !== false) ? true : false;