Class **Phalcon\\Cache\\Frontend\\Igbinary**
============================================

*extends* class :doc:`Phalcon\\Cache\\Frontend\\Data <Phalcon_Cache_Frontend_Data>`

*implements* :doc:`Phalcon\\Cache\\FrontendInterface <Phalcon_Cache_FrontendInterface>`

.. role:: raw-html(raw)
   :format: html

:raw-html:`<a href="https://github.com/phalcon/cphalcon/blob/master/phalcon/cache/frontend/igbinary.zep" class="btn btn-default btn-sm">Source on GitHub</a>`

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

.. code-block:: php

    <?php

    // Cache the files for 2 days using Igbinary frontend
    $frontCache = new \Phalcon\Cache\Frontend\Igbinary(
        [
            "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,
        [
            "cacheDir" => "../app/cache/",
        ]
    );

    $cacheKey = "robots_order_id.cache";

    // Try to get cached records
    $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(
            [
                "order" => "id",
            ]
        );

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

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



Methods
-------

public  **__construct** ([*array* $frontendOptions])

Phalcon\\Cache\\Frontend\\Data constructor



public  **getLifetime** ()

Returns the cache lifetime



public  **isBuffering** ()

Check whether if frontend is buffering output



public  **start** ()

Starts output frontend. Actually, does nothing



public *string* **getContent** ()

Returns output cached content



public  **stop** ()

Stops output frontend



public  **beforeStore** (*mixed* $data)

Serializes data before storing them



public  **afterRetrieve** (*mixed* $data)

Unserializes data after retrieval