WordPress 3.3.2-scripts

[autoinstalls/wordpress.git] / wp-includes / vars.php

diff --git a/wp-includes/vars.php b/wp-includes/vars.php
index e01feeae08643faf9cf58073683d86c416309bbe..3b824a959ab23881468d76c74c2676915df3e136 100644 (file)
--- a/wp-includes/vars.php
+++ b/wp-includes/vars.php
@@ -1,10 +1,32 @@
 <?php
+/**
+ * Creates common globals for the rest of WordPress
+ *
+ * Sets $pagenow global which is the current page. Checks
+ * for the browser to set which one is currently being used.
+ *
+ * Detects which user environment WordPress is being used on.
+ * Only attempts to check for Apache and IIS. Two web servers
+ * with known permalink capability.
+ *
+ * @package WordPress
+ */
+
+global $pagenow,
+       $is_lynx, $is_gecko, $is_winIE, $is_macIE, $is_opera, $is_NS4, $is_safari, $is_chrome, $is_iphone, $is_IE,
+       $is_apache, $is_IIS, $is_iis7;
 
 // On which page are we ?
 if ( is_admin() ) {
        // wp-admin pages are checked more carefully
-       preg_match('#/wp-admin/?(.*?)$#i', $PHP_SELF, $self_matches);
+       if ( is_network_admin() )
+               preg_match('#/wp-admin/network/?(.*?)$#i', $_SERVER['PHP_SELF'], $self_matches);
+       elseif ( is_user_admin() )
+               preg_match('#/wp-admin/user/?(.*?)$#i', $_SERVER['PHP_SELF'], $self_matches);
+       else
+               preg_match('#/wp-admin/?(.*?)$#i', $_SERVER['PHP_SELF'], $self_matches);
        $pagenow = $self_matches[1];
+       $pagenow = trim($pagenow, '/');
        $pagenow = preg_replace('#\?.*?$#', '', $pagenow);
        if ( '' === $pagenow || 'index' === $pagenow || 'index.php' === $pagenow ) {
                $pagenow = 'index.php';
@@ -15,33 +37,65 @@ if ( is_admin() ) {
                        $pagenow .= '.php'; // for Options +Multiviews: /wp-admin/themes/index.php (themes.php is queried)
        }
 } else {
-       if ( preg_match('#([^/]+\.php)([?/].*?)?$#i', $PHP_SELF, $self_matches) )
+       if ( preg_match('#([^/]+\.php)([?/].*?)?$#i', $_SERVER['PHP_SELF'], $self_matches) )
                $pagenow = strtolower($self_matches[1]);
        else
                $pagenow = 'index.php';
 }
+unset($self_matches);
 
 // Simple browser detection
-$is_lynx = $is_gecko = $is_winIE = $is_macIE = $is_opera = $is_NS4 = false;
-
-if (strpos($_SERVER['HTTP_USER_AGENT'], 'Lynx') !== false) {
-       $is_lynx = true;
-} elseif (strpos($_SERVER['HTTP_USER_AGENT'], 'Gecko') !== false) {
-       $is_gecko = true;
-} elseif (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Win') !== false) {
-       $is_winIE = true;
-} elseif (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Mac') !== false) {
-       $is_macIE = true;
-} elseif (strpos($_SERVER['HTTP_USER_AGENT'], 'Opera') !== false) {
-       $is_opera = true;
-} elseif (strpos($_SERVER['HTTP_USER_AGENT'], 'Nav') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Mozilla/4.') !== false) {
-       $is_NS4 = true;
+$is_lynx = $is_gecko = $is_winIE = $is_macIE = $is_opera = $is_NS4 = $is_safari = $is_chrome = $is_iphone = false;
+
+if ( isset($_SERVER['HTTP_USER_AGENT']) ) {
+       if ( strpos($_SERVER['HTTP_USER_AGENT'], 'Lynx') !== false ) {
+               $is_lynx = true;
+       } elseif ( stripos($_SERVER['HTTP_USER_AGENT'], 'chrome') !== false ) {
+               if ( stripos( $_SERVER['HTTP_USER_AGENT'], 'chromeframe' ) !== false ) {
+                       if ( $is_chrome = apply_filters( 'use_google_chrome_frame', is_admin() ) )
+                               header( 'X-UA-Compatible: chrome=1' );
+                       $is_winIE = ! $is_chrome;
+               } else {
+                       $is_chrome = true;
+               }
+       } elseif ( stripos($_SERVER['HTTP_USER_AGENT'], 'safari') !== false ) {
+               $is_safari = true;
+       } elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Gecko') !== false ) {
+               $is_gecko = true;
+       } elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Win') !== false ) {
+               $is_winIE = true;
+       } elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Mac') !== false ) {
+               $is_macIE = true;
+       } elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Opera') !== false ) {
+               $is_opera = true;
+       } elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Nav') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Mozilla/4.') !== false ) {
+               $is_NS4 = true;
+       }
 }
 
+if ( $is_safari && stripos($_SERVER['HTTP_USER_AGENT'], 'mobile') !== false )
+       $is_iphone = true;
+
 $is_IE = ( $is_macIE || $is_winIE );
 
 // Server detection
-$is_apache = ((strpos($_SERVER['SERVER_SOFTWARE'], 'Apache') !== false) || (strpos($_SERVER['SERVER_SOFTWARE'], 'LiteSpeed') !== false)) ? true : false;
-$is_IIS = (strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS') !== false) ? true : false;
 
-?>
\ No newline at end of file
+/**
+ * Whether the server software is Apache or something else
+ * @global bool $is_apache
+ */
+$is_apache = (strpos($_SERVER['SERVER_SOFTWARE'], 'Apache') !== false || strpos($_SERVER['SERVER_SOFTWARE'], 'LiteSpeed') !== false);
+
+/**
+ * Whether the server software is IIS or something else
+ * @global bool $is_IIS
+ */
+$is_IIS = !$is_apache && (strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS') !== false || strpos($_SERVER['SERVER_SOFTWARE'], 'ExpressionDevServer') !== false);
+
+/**
+ * Whether the server software is IIS 7.X
+ * @global bool $is_iis7
+ */
+$is_iis7 = $is_IIS && (strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS/7.') !== false);
+
+?>