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<?php |
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/** |
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* Creates common globals for the rest of WordPress |
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* |
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* Sets $pagenow global which is the current page. Checks |
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* for the browser to set which one is currently being used. |
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* |
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* Detects which user environment WordPress is being used on. |
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* Only attempts to check for Apache and IIS. Two web servers |
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* with known permalink capability. |
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* |
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* @package WordPress |
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*/ |
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// On which page are we ? |
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if ( is_admin() ) { |
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// wp-admin pages are checked more carefully |
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preg_match('#/wp-admin/?(.*?)$#i', $PHP_SELF, $self_matches); |
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$pagenow = $self_matches[1]; |
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$pagenow = trim($pagenow, '/'); |
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$pagenow = preg_replace('#\?.*?$#', '', $pagenow); |
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if ( '' === $pagenow || 'index' === $pagenow || 'index.php' === $pagenow ) { |
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$pagenow = 'index.php'; |
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} else { |
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preg_match('#(.*?)(/|$)#', $pagenow, $self_matches); |
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$pagenow = strtolower($self_matches[1]); |
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if ( '.php' !== substr($pagenow, -4, 4) ) |
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$pagenow .= '.php'; // for Options +Multiviews: /wp-admin/themes/index.php (themes.php is queried) |
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} |
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} else { |
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if ( preg_match('#([^/]+\.php)([?/].*?)?$#i', $PHP_SELF, $self_matches) ) |
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$pagenow = strtolower($self_matches[1]); |
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else |
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$pagenow = 'index.php'; |
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} |
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// Simple browser detection |
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$is_lynx = $is_gecko = $is_winIE = $is_macIE = $is_opera = $is_NS4 = $is_safari = $is_chrome = $is_iphone = false; |
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if ( isset($_SERVER['HTTP_USER_AGENT']) ) { |
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if ( strpos($_SERVER['HTTP_USER_AGENT'], 'Lynx') !== false ) { |
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$is_lynx = true; |
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} elseif ( strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'chrome') !== false ) { |
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$is_chrome = true; |
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} elseif ( strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'safari') !== false ) { |
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$is_safari = true; |
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} elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Gecko') !== false ) { |
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$is_gecko = true; |
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} elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Win') !== false ) { |
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$is_winIE = true; |
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} elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Mac') !== false ) { |
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$is_macIE = true; |
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} elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Opera') !== false ) { |
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$is_opera = true; |
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} elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Nav') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Mozilla/4.') !== false ) { |
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$is_NS4 = true; |
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} |
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} |
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if ( $is_safari && strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'mobile') !== false ) |
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$is_iphone = true; |
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$is_IE = ( $is_macIE || $is_winIE ); |
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// Server detection |
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/** |
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* Whether the server software is Apache or something else |
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* @global bool $is_apache |
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*/ |
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$is_apache = (strpos($_SERVER['SERVER_SOFTWARE'], 'Apache') !== false || strpos($_SERVER['SERVER_SOFTWARE'], 'LiteSpeed') !== false); |
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/** |
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* Whether the server software is IIS or something else |
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* @global bool $is_IIS |
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*/ |
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$is_IIS = (strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS') !== false || strpos($_SERVER['SERVER_SOFTWARE'], 'ExpressionDevServer') !== false); |
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/** |
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* Whether the server software is IIS 7.X |
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* @global bool $is_iis7 |
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*/ |
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$is_iis7 = (strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS/7.') !== false); |
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?> |