Cache\Frontend\Output

*
* use Phalcon\Tag;
* use Phalcon\Cache\Backend\File;
* use Phalcon\Cache\Frontend\Output;
*
* // Create an Output frontend. Cache the files for 2 days
* $frontCache = new Output(['lifetime' => 172800]));
*
* // Create the component that will cache from the "Output" to a "File" backend
* // Set the cache file directory - it's important to keep the "/" at the end of
* // the value for the folder
* $cache = new File($frontCache, ['cacheDir' => '../app/cache/']);
*
* // Get/Set the cache file to ../app/cache/my-cache.html
* $content = $cache->start('my-cache.html');
*
* // If $content is null then the content will be generated for the cache
* if (null === $content) {
*     // Print date and time
*     echo date('r');
*
*     // Generate a link to the sign-up action
*     echo Tag::linkTo(
*         [
*             'user/signup',
*             'Sign Up',
*             'class' => 'signup-button'
*         ]
*     );
*
*     // Store the output into the cache file
*     $cache->save();
* } else {
*     // Echo the cached output
*     echo $content;
* }