Fatal error: Uncaught Error: Call to undefined function mysqli_connect() in /var/www/vhosts/klass.uz/httpdocs/inc/mysql_compat_pdo.php:6
Stack trace:
#0 /var/www/vhosts/klass.uz/httpdocs/inc/mysql.php(18): mysql_connect()
#1 /var/www/vhosts/klass.uz/httpdocs/inc/connect.php(12): db->connect()
#2 /var/www/vhosts/klass.uz/httpdocs/index.php(14): require_once('/var/www/vhosts...')
#3 {main}
  thrown in /var/www/vhosts/klass.uz/httpdocs/inc/mysql_compat_pdo.php on line 6