44 lines
902 B
PHP
44 lines
902 B
PHP
<?php namespace System;
|
|
|
|
class Memcached {
|
|
|
|
/**
|
|
* The Memcache instance.
|
|
*
|
|
* @var Memcache
|
|
*/
|
|
private static $instance = null;
|
|
|
|
/**
|
|
* Get the singleton Memcache instance.
|
|
*
|
|
* @return Memcache
|
|
*/
|
|
public static function instance()
|
|
{
|
|
if (is_null(static::$instance))
|
|
{
|
|
if ( ! class_exists('Memcache'))
|
|
{
|
|
throw new \Exception('Attempting to use Memcached, but the Memcached PHP extension is not installed on this server.');
|
|
}
|
|
|
|
$memcache = new \Memcache;
|
|
|
|
foreach (Config::get('cache.servers') as $server)
|
|
{
|
|
$memcache->addServer($server['host'], $server['port'], true, $server['weight']);
|
|
}
|
|
|
|
if ($memcache->getVersion() === false)
|
|
{
|
|
throw new \Exception('Memcached is configured. However, no connections could be made. Please verify your memcached configuration.');
|
|
}
|
|
|
|
static::$instance = $memcache;
|
|
}
|
|
|
|
return static::$instance;
|
|
}
|
|
|
|
} |