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Class Phalcon\Cache\Frontend\Data >

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Class Phalcon\Cache\Frontend\Base64

extends class Phalcon\Cache\Frontend\Data

implements Phalcon\Cache\FrontendInterface

Allows to cache data converting/deconverting them to base64. This adapters uses the base64_encode/base64_decode PHP’s functions

<?php

 // Cache the files for 2 days using a Base64 frontend
 $frontCache = new Phalcon\Cache\Frontend\Base64(array(
    "lifetime" => 172800
 ));

 //Create a MongoDB cache
 $cache = new Phalcon\Cache\Backend\Mongo($frontCache, array(
    'server' => "mongodb://localhost",
      'db' => 'caches',
    'collection' => 'images'
 ));

 // Try to get cached image
 $cacheKey = 'some-image.jpg.cache';
 $image    = $cache->get($cacheKey);
 if ($image === null) {

     // Store the image in the cache
     $cache->save($cacheKey, file_get_contents('tmp-dir/some-image.jpg'));
 }

 header('Content-Type: image/jpeg');
 echo $image;

Methods

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