From 1c1f7587a328f7d6e4fe110df30d422a1a223af5 Mon Sep 17 00:00:00 2001
From: Lucas Bickel <hairmare@rabe.ch>
Date: Sat, 11 Mar 2017 22:49:05 +0100
Subject: [PATCH] Fix _isTask method in taskmanager

The is_a fix from 09aea8b747a76ebfecd37274d9eb538131d3abae was not quite the way to go, with array_key_exists and class_implements implements the TaskManager finds all tasks again.
---
 airtime_mvc/application/common/TaskManager.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/airtime_mvc/application/common/TaskManager.php b/airtime_mvc/application/common/TaskManager.php
index 401e9a969..514d9f45c 100644
--- a/airtime_mvc/application/common/TaskManager.php
+++ b/airtime_mvc/application/common/TaskManager.php
@@ -377,7 +377,7 @@ class TaskFactory {
      * @return bool true if the class $c implements AirtimeTask
      */
     private static function _isTask($c) {
-        return is_a('AirtimeTask', $c, true);
+        return array_key_exists('AirtimeTask', class_implements($c));
     }
 
     /**