Fatal error: Uncaught mysqli_sql_exception: Connection refused in /opt/hostpublic/php_prefix_cpu_limit_php7.php:87
Stack trace:
#0 /opt/hostpublic/php_prefix_cpu_limit_php7.php(87): mysqli_connect()
#1 {main}
  thrown in /opt/hostpublic/php_prefix_cpu_limit_php7.php on line 87