paolomanca/yii2-fullcalendar-widget — pull request #1 by ste-camp (2014-12-08 23:57:27+00:00)
Title: Update FullCalendar.php

Just changing this parameter allows the user to reference javascript functions defined in the body of the page. So user can actually call functions that are written in the html of the view instead of putting entire javascript code in PHP strings.