$db_host = 'localhost';
$db_user = 'root';
$db_password = '';
$db_name = 'allonpage';
$con = new mysqli('localhost', $db_user, $db_password, $db_name);
if ($con->connect_error)
die('Connection Error: ' . $con->server_info);
if ($con->ping())
echo ("Connection ok");
else
echo "Error: " . $com->error;
$con->close();
/*
run:
Connection ok
*/