PDO_ERR_DISCONNECTED 1502 ext/pdo/pdo_dbh.c 	REGISTER_PDO_CLASS_CONST_LONG("ERR_DISCONNECTED", 	(long)PDO_ERR_DISCONNECTED);
PDO_ERR_DISCONNECTED   86 ext/pdo_firebird/firebird_driver.c 			*error_code = PDO_ERR_DISCONNECTED;