chamilo / chamilo-lms

        // Check the extra fields for this course and session

        // Session limit takes priority over course limit

        // Course limit takes priority over global limit

        if (!empty($this->courseId)) {

            $extraField = new ExtraField('course');

            $fieldId = $extraField->get_all(

                array('variable = ?' => 'plugin_bbb_course_users_limit')

            );

            $extraValue = new ExtraFieldValue('course');

            $value = $extraValue->get_values_by_handler_and_field_id($this->courseId, $fieldId[0]['id']);

            if (!empty($value['value'])) {

                $courseLimit = $value['value'];

            }

        }

        if (!empty($this->sessionId)) {

            $extraField = new ExtraField('session');

            $fieldId = $extraField->get_all(

                $courseLimit = $value['value'];

            }

        }

        if (!empty($this->sessionId)) {

            $extraField = new ExtraField('session');

            $fieldId = $extraField->get_all(

                array('variable = ?' => 'plugin_bbb_session_users_limit')

            );

            $extraValue = new ExtraFieldValue('session');

            $value = $extraValue->get_values_by_handler_and_field_id($this->sessionId, $fieldId[0]['id']);

            if (!empty($value['value'])) {

                $sessionLimit = $value['value'];

            }

        }

        if (!empty($sessionLimit)) {

            return $sessionLimit;

        } elseif (!empty($courseLimit)) {