Using self descriptional constant

Author: astahovn

php/new_task.php

@@ -13,7 +13,7 @@
 $data = implode(' ', array_slice($argv, 1));
 if(empty($data)) $data = "Hello World!";
 $msg = new AMQPMessage($data,
-                        array('delivery_mode' => 2) # make message persistent
+                        array('delivery_mode' => AMQPMessage::DELIVERY_MODE_PERSISTENT)
                       );
 
 $channel->basic_publish($msg, '', 'task_queue');