ParamsReturnSource
Read value(s) from the cache
Note: When using an array of keys in $key for multi-read, note that this is not an atomic operation.

Parameters

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

Returns

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

Source

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

		return function($self, $params) use (&$cache) {
			extract($params);

			if (is_array($key)) {
				$results = array();

				foreach ($key as $k) {
					if (isset($cache[$k])) {
						$results[$k] = $cache[$k];
					}
				}
				return $results;
			}
			return isset($cache[$key]) ? $cache[$key] : null;
		};
	}