Ticket #7233: 7233.diff

wp-includes/functions.php

@@ -492 +492 @@
 
         // If the new and old values are the same, no need to update.
         $oldvalue = get_option( $safe_option_name );
+
+        $newvalue = apply_filters( 'pre_update_option_' . $option_name, $newvalue, $oldvalue );
+
         if ( $newvalue === $oldvalue )
                 return false;