mysql_thread_id  2629 ext/mysqli/mysqli_api.c 	RETURN_LONG((zend_long) mysql_thread_id(mysql->mysql));
mysql_thread_id   234 ext/mysqli/mysqli_prop.c MYSQLI_MAP_PROPERTY_FUNC_LONG(link_thread_id_read, mysql_thread_id, MYSQLI_GET_MYSQL(MYSQLI_STATUS_VALID), zend_ulong, ZEND_ULONG_FMT)