Lot of "Only variables should be passed by reference" messages when running the chatd daemon

(difficulty: easy, requires system administrator access to the server hosting the Moodle instance) Check the PHP settings of your Moodle instance to be sure that STRICT errors are reported as well; Start the chat in daemon mode , without & , and expect not to be flooded by Only variables should be passed by reference on line NNN : # php mod/chat/chatd.php --start Moodle chat daemon v1.0 on PHP 5.4.23   [2013-12-22 11:24:28] *IMPORTANT* Started Moodle chatd on port 9111, listening socket Resource id #72 Note: NNN = 699 on master branch, before applying the PR. Test the chat activity, using the daemon, as described in http://docs.moodle.org/26/en/Chat_settings#Site_administration_settings .