Changeset 23303

Timestamp:

01/17/2013 03:07:32 PM (12 years ago)

Author:

nacin

Message:

Treat URL schemes as case insensitive when sanitizing them in esc_url().

props mdawaffe.
fixes #23187.
tests: [1184/tests]

File:

• trunk/wp-includes/formatting.php (modified) (1 diff)

trunk/wp-includes/formatting.php

@@ -2604 +2604 @@
     if ( ! is_array( $protocols ) )
         $protocols = wp_allowed_protocols();
-    if ( wp_kses_bad_protocol( $url, $protocols ) != $url )
+    $good_protocol_url = wp_kses_bad_protocol( $url, $protocols );
+    if ( strtolower( $good_protocol_url ) != strtolower( $url ) )
         return '';
 
-    return apply_filters('clean_url', $url, $original_url, $_context);
+    return apply_filters('clean_url', $good_protocol_url, $original_url, $_context);
 }