Warning: mysql_connect(): MySQL server has gone away in D:\webPHP\covidApp\vaccine\connect_mysql.php on line 10 Warning: mysql_connect(): Error while reading greeting packet. PID=612 in D:\webPHP\covidApp\vaccine\connect_mysql.php on line 10 Warning: mysql_connect(): MySQL server has gone away in D:\webPHP\covidApp\vaccine\connect_mysql.php on line 10 ติดต่อฐานข้อมูลไม่ได้