Script that I use for testing sql connections

db_tester.php

<?php
	$HOST 		= "1.1.1.1";
	$DATABASE 	= "xxx";
	$USER 		= "xxx";
	$PASSWORD 	= "xxx";

	$TIMEOUT = 5;

	$dsn = "mysql:host={$HOST};dbname={$DATABASE};charset=utf8";
	$opt = Array(
		PDO::ATTR_TIMEOUT => $TIMEOUT,
		PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION
	);

	try {
		$db = new PDO($dsn, $USER, $PASSWORD, $opt);
	} catch (PDOException $e) {
		die($e->getMessage());
	} finally {
		echo("success\n");

		$smt = $db->query("SELECT table_name FROM information_schema.tables;");
		print_r($smt->fetchAll(PDO::FETCH_COLUMN));
	}
?>