54 lines
1.3 KiB
PHP
54 lines
1.3 KiB
PHP
<?php namespace System;
|
|
|
|
class Cache {
|
|
|
|
/**
|
|
* The active cache drivers.
|
|
*
|
|
* @var Cache\Driver
|
|
*/
|
|
private static $drivers = array();
|
|
|
|
/**
|
|
* Get the cache driver instance.
|
|
*
|
|
* @param string $driver
|
|
* @return Cache\Driver
|
|
*/
|
|
public static function driver($driver = null)
|
|
{
|
|
// --------------------------------------------------
|
|
// If the cache driver has already been instantiated,
|
|
// we'll just return that existing instance.
|
|
//
|
|
// Otherwise, we'll instantiate a new one.
|
|
// --------------------------------------------------
|
|
if ( ! array_key_exists($driver, static::$drivers))
|
|
{
|
|
if (is_null($driver))
|
|
{
|
|
$driver = Config::get('cache.driver');
|
|
}
|
|
|
|
static::$drivers[$driver] = Cache\Factory::make($driver);
|
|
}
|
|
|
|
return static::$drivers[$driver];
|
|
}
|
|
|
|
/**
|
|
* Pass all other methods to the default driver.
|
|
*/
|
|
public static function __callStatic($method, $parameters)
|
|
{
|
|
// --------------------------------------------------
|
|
// Passing method calls to the driver instance allows
|
|
// a better API for the developer.
|
|
//
|
|
// For instance, instead of saying Cache::driver()->foo(),
|
|
// we can now just say Cache::foo().
|
|
// --------------------------------------------------
|
|
return call_user_func_array(array(static::driver(), $method), $parameters);
|
|
}
|
|
|
|
} |