public function clear_criteria() {
        global $DB;
        $DB->delete_records('course_completion_criteria', array('course' => $this->course_id));
        $DB->delete_records('course_completion_aggr_methd', array('course' => $this->course_id));

        $this->delete_course_completion_data();
    }
public function clear_criteria() {
        global $DB;
        $DB->delete_records('course_completion_criteria', array('course' => $this->course_id));
        $DB->delete_records('course_completion_aggr_methd', array('course' => $this->course_id));

        $this->delete_course_completion_data();
    }
public function clear_criteria ( ) { global $ DB ; $ DB -> delete_records ( 'course_completion_criteria' , array ( 'course' => $ this -> course_id ) ) ; $ DB -> delete_records ( 'course_completion_aggr_methd' , array ( 'course' => $ this -> course_id ) ) ; $ this -> delete_course_completion_data ( ) ; }
Clear old course completion criteria
Clear old course completion criteria