MySQL/Oracle/Memcache/Memcached connection test code for PHP

memcache_test.php

<?php

// memcache test code

$memcache = memcache_connect('127.0.0.1', 11211);

if ($memcache) {
	$memcache->set("str_key", "String to store in memcached");
	var_dump($memcache->get('str_key'));
}
else {
	echo "Connection to memcached failed";
}
?>

memcached_test.php

<?php

// memcached test code

$memcached = new Memcached();
$memcached->addServer( "localhost", 11211 );
echo "Memcached version:";
var_dump($memcached->getVersion());

?>

mysql_connection_test.php

<?php

// MySQL connection test code

$db_host = "localhost";
$db_user = "root";
$db_passwd = "";
$db_name = "test";

$db = mysql_connect($db_host,$db_user,$db_passwd);
mysql_select_db($db_name,$db);

$sql = "select * from test";
$rs = mysql_query($sql, $db);

while ($items = mysql_fetch_assoc($rs)) {
	foreach ($items as $key => $item) {
		print_r($item);
	}
}

mysql_close($db);
?>

oracle_connection_test.php

<?php

// Oracle connection test code

$username = "foo";
$password = "bar";
$connection_string = "host_name[:port]/service_name";

$connection = oci_connect($username, $password, $connection_string); 

if (!$connection) { 
	echo "Couldn't make a connection!";
} else {
	echo "connect!";
}
exit;