mysql_thread_id 285 ext/mysql/php_mysql.c PHP_FE(mysql_thread_id, arginfo__optional_mysql_link) mysql_thread_id 1286 ext/mysql/php_mysql.c RETURN_LONG((long) mysql_thread_id(mysql->conn)); mysql_thread_id 2586 ext/mysqli/mysqli_api.c RETURN_LONG((long) mysql_thread_id(mysql->mysql));