Class Phalcon\Cache\Frontend\Output

implements Phalcon\Cache\FrontendInterface

Source on GitHub

Allows to cache output fragments captured with ob_* functions

*
* 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;
* }

Methods

public __construct ([array $frontendOptions])

Phalcon\Cache\Frontend\Output constructor

public getLifetime ()

Returns the cache lifetime

public isBuffering ()

Check whether if frontend is buffering output

public start ()

Starts output frontend. Currently, does nothing

public string getContent ()

Returns output cached content

public stop ()

Stops output frontend

public string beforeStore (mixed $data)

Serializes data before storing them

public mixed afterRetrieve (mixed $data)

Unserializes data after retrieval