/**
* Resets cache for the course (or all caches)
* To be called from {@link rebuild_course_cache()}
*
* @param int $courseid
*/
public static final function reset_course_cache($courseid = 0)
{
if ($courseid) {
if (isset(self::$instances[$courseid])) {
foreach (self::$instances[$courseid] as $format => $object) {
// in case somebody keeps the reference to course format object
self::$instances[$courseid][$format]->course = false;
self::$instances[$courseid][$format]->formatoptions = array();
}
unset(self::$instances[$courseid]);
}
} else {
self::$instances = array();
}
}
