Warning: mysqli_connect(): Error while reading greeting packet. PID=935713 in /var/www/anyurl/thn/sql/connection.php on line 36

Fatal error: Uncaught mysqli_sql_exception: MySQL server has gone away in /var/www/anyurl/thn/sql/connection.php:36 Stack trace: #0 /var/www/anyurl/thn/sql/connection.php(36): mysqli_connect() #1 /var/www/anyurl/thn/ket-qua-xo-so-mien-nam.php(20): ouvrir_bd() #2 {main} thrown in /var/www/anyurl/thn/sql/connection.php on line 36