Class Phalcon\Cache\Frontend\Output

implements Phalcon\Cache\FrontendInterface

Allows to cache output fragments captured with ob_* functions

//Create an Output frontend. Cache the files for 2 days
 $frontCache = new Phalcon\Cache\Frontend\Output(array(
   "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
 $cache = new Phalcon\Cache\Backend\File($frontCache, array(
     "cacheDir" => "../app/cache/"
 ));

 // Get/Set the cache file to ../app/cache/my-cache.html
 $content = $cache->start("my-cache.html");

 // If $content is null then the content will be generated for the cache
 if ($content === null) {

     //Print date and time
     echo date("r");

     //Generate a link to the sign-up action
     echo Phalcon\Tag::linkTo(
         array(
             "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 integer getLifetime ()

Returns cache lifetime

public boolean isBuffering ()

Check whether if frontend is buffering output

public start ()

Starts output frontend

public string getContent ()

Returns output cached content

public stop ()

Stops output frontend

public mixed beforeStore (mixed $data)

Prepare data to be stored

public mixed afterRetrieve (mixed $data)

Prepares data to be retrieved to user