quick and dirty MySQL connection test script for someone.

test_connection.php

<?php

$dbname = '';
$hostname = '';
$user = '';
$pass = '';

try {
    $dbh = new PDO('mysql:host='.$hostname.';dbname='.$dbname, $user, $pass);
    $dbh->exec("SET CHARACTER SET utf8");
    $dbh = null;
    echo "it worked!\n";

} catch (PDOException $e) {
    echo "Error!: " . $e->getMessage() . "<br/>";
}