Ticket #20923: 20923.diff

wp-includes/functions.php

@@ -3685 +3685 @@
         if ( ! wp_is_mobile() )
                 return true;
 
-        $ua = $_SERVER['HTTP_USER_AGENT'];
+        $regex = '#(iPod|iPad|iPhone); U; CPU( iPhone)? OS ([\d_]+) like Mac OS X#';
 
-        if ( strpos($ua, 'iPhone') !== false
-                || strpos($ua, 'iPad') !== false
-                || strpos($ua, 'iPod') !== false ) {
-                        return false;
-        } else {
-                return true;
-        }
+        return ( preg_match( $regex, $_SERVER['HTTP_USER_AGENT'], $version ) && version_compare( '6', $version[3], '<=' ) );
 }