// add a single article to the cache with key 'article-129'
// and expiration 30 min.
// tag the article with tag names 'articles',
// 'php-articles', and 'dirkm'
Cache::tags('articles', 'php-articles', 'dirkm')
   ->put('article-129', $article, 30);

// store another article
Cache::tags('articles', 'lifestyle-articles', 'dirkm')
   ->put('article-201', $article2, 30);

// ... some more code here ...

// delete all cached objects tagged with 'php-articles'
// note: this will delete article-129, but not article-201
Cache::tags('php-articles')->flush();