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Cache::write($key, $value, $config = null);

Cache::write() will write a $value to the Cache. You can read or delete this value later by refering to it by $key. You may specify an optional configuration to store the cache in as well. If no $config is specified default will be used. Cache::write() can store any type of object and is ideal for storing results of model finds.

	if (($posts = Cache::read('posts')) === false) {
		$posts = $this->Post->find('all');
		Cache::write('posts', $posts);
	}

1. if (($posts = Cache::read('posts')) === false) {
2. $posts = $this->Post->find('all');
3. Cache::write('posts', $posts);
4. }

Using Cache::write() and Cache::read() to easily reduce the number of trips made to the database to fetch posts.