lithium\storage\session\adapter\Cookie::read()

public method

Read a value from the cookie.

Parameters

null|string $key
Key of the entry to be read. If $key is null, returns all cookie key/value pairs that have been set.
array $options
Options array. Not used in this adapter.

Returns

\Closure

Function returning data in the session if successful, null otherwise.

Source

	public function read($key = null, array $options = array()) {
		$config = $this->_config;

		return function($self, $params) use (&$config) {
			$key = $params['key'];
			if (!$key) {
				if (isset($_COOKIE[$config['name']])) {
					return $_COOKIE[$config['name']];
				}
				return array();
			}
			if (strpos($key, '.') !== false) {
				$key = explode('.', $key);
				$result = (isset($_COOKIE[$config['name']])) ? $_COOKIE[$config['name']] : array();

				foreach ($key as $k) {
					if (!isset($result[$k])) {
						return null;
					}
					$result = $result[$k];
				}
				return $result;
			}
			if (isset($_COOKIE[$config['name']][$key])) {
				return $_COOKIE[$config['name']][$key];
			}
		};
	}