Ticket #16920: 16920.4.patch

wp-includes/js/tinymce/wp-tinymce.php

@@ -27 +27 @@
 header("Cache-Control: public, max-age=$expires_offset");
 
 if ( isset($_GET['c']) && 1 == $_GET['c'] && isset($_SERVER['HTTP_ACCEPT_ENCODING'])
-        && false !== strpos( strtolower($_SERVER['HTTP_ACCEPT_ENCODING']), 'gzip') && ( $file = get_file($basepath . '/wp-tinymce.js.gz') ) ) {
+        && false !== stripos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') && ( $file = get_file($basepath . '/wp-tinymce.js.gz') ) ) {
 
         header('Content-Encoding: gzip');
         echo $file;

wp-admin/load-styles.php

@@ -134 +134 @@
 
 if ( $compress && ! ini_get('zlib.output_compression') && 'ob_gzhandler' != ini_get('output_handler') && isset($_SERVER['HTTP_ACCEPT_ENCODING']) ) {
         header('Vary: Accept-Encoding'); // Handle proxies
-        if ( false !== strpos( strtolower($_SERVER['HTTP_ACCEPT_ENCODING']), 'deflate') && function_exists('gzdeflate') && ! $force_gzip ) {
+        if ( false !== stripos($_SERVER['HTTP_ACCEPT_ENCODING'], 'deflate') && function_exists('gzdeflate') && ! $force_gzip ) {
                 header('Content-Encoding: deflate');
                 $out = gzdeflate( $out, 3 );
-        } elseif ( false !== strpos( strtolower($_SERVER['HTTP_ACCEPT_ENCODING']), 'gzip') && function_exists('gzencode') ) {
+        } elseif ( false !== stripos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') && function_exists('gzencode') ) {
                 header('Content-Encoding: gzip');
                 $out = gzencode( $out, 3 );
         }

wp-admin/load-scripts.php

@@ -129 +129 @@
 
 if ( $compress && ! ini_get('zlib.output_compression') && 'ob_gzhandler' != ini_get('output_handler') && isset($_SERVER['HTTP_ACCEPT_ENCODING']) ) {
         header('Vary: Accept-Encoding'); // Handle proxies
-        if ( false !== strpos( strtolower($_SERVER['HTTP_ACCEPT_ENCODING']), 'deflate') && function_exists('gzdeflate') && ! $force_gzip ) {
+        if ( false !== stripos($_SERVER['HTTP_ACCEPT_ENCODING'], 'deflate') && function_exists('gzdeflate') && ! $force_gzip ) {
                 header('Content-Encoding: deflate');
                 $out = gzdeflate( $out, 3 );
-        } elseif ( false !== strpos( strtolower($_SERVER['HTTP_ACCEPT_ENCODING']), 'gzip') && function_exists('gzencode') ) {
+        } elseif ( false !== stripos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') && function_exists('gzencode') ) {
                 header('Content-Encoding: gzip');
                 $out = gzencode( $out, 3 );
         }

wp-admin/includes/post.php

@@ -1614 +1614 @@
         $language = $initArray['language'];
 
         $compressed = $compress_scripts && $concatenate_scripts && isset($_SERVER['HTTP_ACCEPT_ENCODING'])
-                && false !== strpos( strtolower($_SERVER['HTTP_ACCEPT_ENCODING']), 'gzip');
+                && false !== stripos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip');
 
         /**
          * Deprecated