WordPress 4.2

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

diff --git a/wp-includes/vars.php b/wp-includes/vars.php
index b66b31311bf3364278becd887ed3b20d178cddc5..da29cb20f0cea59c5de0eab791bca6c9b69138f9 100644 (file)
--- a/wp-includes/vars.php
+++ b/wp-includes/vars.php
@@ -6,16 +6,28 @@
  * for the browser to set which one is currently being used.
  *
  * Detects which user environment WordPress is being used on.
  * 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.
+ * Only attempts to check for Apache, Nginx and IIS -- three web
+ * servers with known pretty permalink capability.
+ *
+ * Note: Though Nginx is detected, WordPress does not currently
+ * generate rewrite rules for it. See https://codex.wordpress.org/Nginx

  *
  * @package WordPress
  */
 
  *
  * @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, $is_nginx;
+

 // On which page are we ?
 if ( is_admin() ) {
        // wp-admin pages are checked more carefully
 // 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);
        $pagenow = $self_matches[1];
        $pagenow = trim($pagenow, '/');
        $pagenow = preg_replace('#\?.*?$#', '', $pagenow);


@@ -28,34 +40,51 @@ if ( is_admin() ) {
                        $pagenow .= '.php'; // for Options +Multiviews: /wp-admin/themes/index.php (themes.php is queried)
        }
 } else {
                        $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';
 }
                $pagenow = strtolower($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 = $is_safari = $is_chrome = $is_iphone = false;
 
 
 // Simple browser detection
 $is_lynx = $is_gecko = $is_winIE = $is_macIE = $is_opera = $is_NS4 = $is_safari = $is_chrome = $is_iphone = false;
 

-if (strpos($_SERVER['HTTP_USER_AGENT'], 'Lynx') !== false) {
-       $is_lynx = true;
-} elseif ( strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'chrome') !== false ) {
-       $is_chrome = true;
-} elseif ( strpos(strtolower($_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) {
-       $is_NS4 = true;
+if ( isset($_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 ) {
+                       $is_admin = is_admin();
+                       /**
+                        * Filter whether Google Chrome Frame should be used, if available.
+                        *
+                        * @since 3.2.0
+                        *
+                        * @param bool $is_admin Whether to use the Google Chrome Frame. Default is the value of is_admin().
+                        */
+                       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'], 'MSIE') !== false || strpos($_SERVER['HTTP_USER_AGENT'], 'Trident') !== false ) && strpos($_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'], 'Gecko') !== false ) {
+               $is_gecko = true;
+       } elseif ( strpos($_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 ( $is_safari && strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'mobile') !== false )
+if ( $is_safari && stripos($_SERVER['HTTP_USER_AGENT'], 'mobile') !== false )

        $is_iphone = true;
 
 $is_IE = ( $is_macIE || $is_winIE );
        $is_iphone = true;
 
 $is_IE = ( $is_macIE || $is_winIE );


@@ -68,17 +97,48 @@ $is_IE = ( $is_macIE || $is_winIE );
  */
 $is_apache = (strpos($_SERVER['SERVER_SOFTWARE'], 'Apache') !== false || strpos($_SERVER['SERVER_SOFTWARE'], 'LiteSpeed') !== false);
 
  */
 $is_apache = (strpos($_SERVER['SERVER_SOFTWARE'], 'Apache') !== false || strpos($_SERVER['SERVER_SOFTWARE'], 'LiteSpeed') !== false);
 

+/**
+ * Whether the server software is Nginx or something else
+ * @global bool $is_nginx
+ */
+$is_nginx = (strpos($_SERVER['SERVER_SOFTWARE'], 'nginx') !== false);
+

 /**
  * Whether the server software is IIS or something else
  * @global bool $is_IIS
  */
 /**
  * Whether the server software is IIS or something else
  * @global bool $is_IIS
  */

-$is_IIS = (strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS') !== false || strpos($_SERVER['SERVER_SOFTWARE'], 'ExpressionDevServer') !== false);
+$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
+ * Whether the server software is IIS 7.X or greater

  * @global bool $is_iis7
  */
  * @global bool $is_iis7
  */

-$is_iis7 = (strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS/7.') !== false);
+$is_iis7 = $is_IIS && intval( substr( $_SERVER['SERVER_SOFTWARE'], strpos( $_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS/' ) + 14 ) ) >= 7;

 
 

+/**
+ * Test if the current browser runs on a mobile device (smart phone, tablet, etc.)
+ *
+ * @return bool true|false
+ */
+function wp_is_mobile() {
+       static $is_mobile;

 
 

-?>
\ No newline at end of file
+       if ( isset($is_mobile) )
+               return $is_mobile;
+
+       if ( empty($_SERVER['HTTP_USER_AGENT']) ) {
+               $is_mobile = false;
+       } elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Mobile') !== false // many mobile devices (all iPhone, iPad, etc.)
+               || strpos($_SERVER['HTTP_USER_AGENT'], 'Android') !== false
+               || strpos($_SERVER['HTTP_USER_AGENT'], 'Silk/') !== false
+               || strpos($_SERVER['HTTP_USER_AGENT'], 'Kindle') !== false
+               || strpos($_SERVER['HTTP_USER_AGENT'], 'BlackBerry') !== false
+               || strpos($_SERVER['HTTP_USER_AGENT'], 'Opera Mini') !== false
+               || strpos($_SERVER['HTTP_USER_AGENT'], 'Opera Mobi') !== false ) {
+                       $is_mobile = true;
+       } else {
+               $is_mobile = false;
+       }
+
+       return $is_mobile;
+}