From 83af6f099d42227806ecfa42476c36d632ba6c75 Mon Sep 17 00:00:00 2001
From: Tim Otten <totten@civicrm.org>
Date: Tue, 10 Feb 2015 04:50:46 -0800
Subject: [PATCH] Add Civi\Core\Resolver::call() helper

---
 Civi/Core/Resolver.php | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Civi/Core/Resolver.php b/Civi/Core/Resolver.php
index 0654acc2fb..bf3845f8d6 100644
--- a/Civi/Core/Resolver.php
+++ b/Civi/Core/Resolver.php
@@ -50,6 +50,7 @@ class Resolver {
    *   A callback expression; any of the following.
    * @return array
    *   A PHP callback. Do not serialize (b/c it may include an object).
+   * @throws \RuntimeException
    */
   public function get($id) {
     if (!is_string($id)) {
@@ -95,6 +96,19 @@ class Resolver {
     }
   }
 
+  /**
+   * Invoke a callback expression.
+   *
+   * @param string|callable $id
+   * @param array $args
+   *   Ordered parameters. To call-by-reference, set an array-parameter by reference.
+   * @return mixed
+   */
+  public function call($id, $args) {
+    $cb = $this->get($id);
+    return $cb ? call_user_func_array($cb, $args) : NULL;
+  }
+
 }
 
 /**
-- 
2.25.1