public static function getDefaultCacheDriver()
{
if (self::$defaultDriver === null) {
// Cache to APC by default if available, if not - cache to the tmp directory
if (\Stash\Driver\Apc::isAvailable()) {
$driver = new \Stash\Driver\Apc();
} else {
$driver = new \Stash\Driver\FileSystem();
}
self::$defaultDriver = $driver;
}
return self::$defaultDriver;
}
public function getCachePool()
{
if (!isset($this->cachePool)) {
// Cache to APC by default if available, if not - cache to the tmp directory
if (\Stash\Driver\Apc::isAvailable()) {
$driver = new \Stash\Driver\Apc();
} else {
$driver = new \Stash\Driver\FileSystem();
}
$this->cachePool = new \Stash\Pool($driver);
}
return $this->cachePool;
}
/**
* Initialise the Cache class
*
*/
protected function init()
{
if (Apc::isAvailable()) {
$driver = new Apc();
} else {
if (!is_dir(WT_DATA_DIR . DIRECTORY_SEPARATOR . 'cache')) {
// We may not have permission - especially during setup, before we instruct
// the user to "chmod 777 /data"
@mkdir(WT_DATA_DIR . DIRECTORY_SEPARATOR . 'cache');
}
if (is_dir(WT_DATA_DIR . DIRECTORY_SEPARATOR . 'cache')) {
$driver = new FileSystem(array('path' => WT_DATA_DIR . DIRECTORY_SEPARATOR . 'cache'));
} else {
// No cache available, let's just use a basic one :-(
$driver = new Ephemeral();
}
}
$this->cache = new \Stash\Pool($driver);
$this->is_init = true;
}