ParamsReturnSource
Read value(s) from the cache.
This adapter method supports multi-key reads. By specifying `$key` as an array of key names, this adapter will attempt to return an array of data containing key/value pairs of the requested data.

Parameters

  • string|array $key The key to uniquely identify the cached item.

Returns

closure Function returning cached value if successful, `null` otherwise.

Source

						public function read($key) {
		$connection =& $this->connection;

		return function($self, $params) use (&$connection) {
			$key = $params['key'];

			if (is_array($key)) {
				return $connection->getMulti($key);
			}
			if (($result = $connection->get($key)) === false) {
				if ($connection->getResultCode() === Memcached::RES_NOTFOUND) {
					$result = null;
				}
			}
			return $result;
		};
	}