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Class Phalcon\Cache\Frontend\Json >

Class Phalcon\Cache\Frontend\Igbinary

extends class Phalcon\Cache\Frontend\Data

implements Phalcon\Cache\FrontendInterface

Allows to cache native PHP data in a serialized form using igbinary extension


// Cache the files for 2 days using Igbinary frontend
$frontCache = new Phalcon\Cache\Frontend\Igbinary(array(
    "lifetime" => 172800

// Create the component that will cache "Igbinary" to a "File" backend
// Set the cache file directory - important to keep the "/" at the end of
// of the value for the folder
$cache = new Phalcon\Cache\Backend\File($frontCache, array(
    "cacheDir" => "../app/cache/"

// Try to get cached records
$cacheKey  = 'robots_order_id.cache';
$robots    = $cache->get($cacheKey);
if ($robots === null) {

    // $robots is null due to cache expiration or data do not exist
    // Make the database call and populate the variable
    $robots = Robots::find(array("order" => "id"));

    // Store it in the cache
    $cache->save($cacheKey, $robots);

// Use $robots :)
foreach ($robots as $robot) {
    echo $robot->name, "\n";


public string beforeStore (mixed $data)

Serializes data before storing them

public mixed afterRetrieve (mixed $data)

Unserializes data after retrieval

public __construct ([array $frontendOptions]) inherited from Phalcon\Cache\Frontend\Data

Phalcon\Cache\Frontend\Data constructor

public int getLifetime () inherited from Phalcon\Cache\Frontend\Data

Returns cache lifetime

public boolean isBuffering () inherited from Phalcon\Cache\Frontend\Data

Check whether if frontend is buffering output

public start () inherited from Phalcon\Cache\Frontend\Data

Starts output frontend. Actually, does nothing

public string getContent () inherited from Phalcon\Cache\Frontend\Data

Returns output cached content

public stop () inherited from Phalcon\Cache\Frontend\Data

Stops output frontend