gistfile1.php[345]

<?php

var_dump(Pdo::getAvailableDrivers());

foreach (Pdo::getAvailableDrivers() as $driver => $d) {
	try {
		echo $dsn = $d . ':dbname=testdb;host=127.0.0.1';
		echo PHP_EOL;
	
	    $dbh = new PDO($dsn, 'dbuser', 'dbpass');
	} catch(PDOException $e) {
		echo 'Connection failed: ' . $e->getMessage();
	}
}

try {
	echo PHP_EOL;
	echo $dsn = 'cirpo:dbname=testdb;host=127.0.0.1';
	$user = 'dbuser';
	$password = 'dbpass';

    $dbh = new PDO($dsn, $user, $password);
} catch(PDOException $e) {
	echo 'Connection failed: ' . $e->getMessage();
}