Move up devunt's name to Developers

[lhc/web/wiklou.git] / includes / libs / ScopedCallback.php

diff --git a/includes/libs/ScopedCallback.php b/includes/libs/ScopedCallback.php
index 629c269..1ec9eaa 100644 (file)
--- a/includes/libs/ScopedCallback.php
+++ b/includes/libs/ScopedCallback.php
@@ -32,12 +32,12 @@ class ScopedCallback {
        protected $params;
 
        /**
-        * @param callable $callback
+        * @param callable|null $callback
         * @param array $params Callback arguments (since 1.25)
         * @throws Exception
         */
        public function __construct( $callback, array $params = array() ) {
-               if ( !is_callable( $callback ) ) {
+               if ( $callback !== null && !is_callable( $callback ) ) {
                        throw new InvalidArgumentException( "Provided callback is not valid." );
                }
                $this->callback = $callback;