Ticket #17584: 17584.diff

wp-includes/post.php

@@ -1277 +1277 @@
 function post_type_supports( $post_type, $feature ) {
         global $_wp_post_type_features;
 
+        $support = true;
         if ( !isset( $_wp_post_type_features[$post_type][$feature] ) )
-                return false;
+                $support = false;
 
-        // If no args passed then no extra checks need be performed
-        if ( func_num_args() <= 2 )
-                return true;
-
-        // @todo Allow pluggable arg checking
-        //$args = array_slice( func_get_args(), 2 );
-
-        return true;
+        return apply_filters( 'post_type_supports', $support, array_slice( func_get_args(), 2 ) );
 }
 
 /**