firebird_info_cb  561 ext/pdo_firebird/firebird_driver.c 			ZVAL_BOOL(val, !isc_version(&H->db, firebird_info_cb, NULL));
firebird_info_cb  593 ext/pdo_firebird/firebird_driver.c 			if (!isc_version(&H->db, firebird_info_cb, (void*)tmp)) {