File "Offloader.php"
Full Path: /home/zcziejy/ryadselyen/shortpixel-image-optimiser/class/external/offload/Offloader.php
File size: 1.95 KB
MIME-type: text/x-php
Charset: utf-8
<?php
namespace ShortPixel\External\Offload;
use ShortPixel\ShortPixelLogger\ShortPixelLogger as Log;
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly.
}
// Class to check what offloader to use and load it. To offload.
class Offloader
{
private static $instance;
private static $offload_instance;
private $offloadName;
public static function getInstance()
{
if (is_null(self::$instance))
{
self::$instance = new Offloader();
}
return self::$instance;
}
public function __construct()
{
add_action('plugins_loaded', array($this, 'load'));
add_action('as3cf_init', array($this, 'initS3Offload'));
}
public function load()
{
$bool = $this->checkVirtualLoaders();
if (true === $bool)
{
self::$offload_instance = new VirtualFileSystem($this->offloadName);
}
}
protected function checkVirtualLoaders()
{
if ( class_exists('\Stack\Config') ) // Bitpoke Stack MU
{
$this->offloadName = 'stack';
return true;
}
elseif (defined('STACK_MEDIA_BUCKET'))
{
$this->offloadName = 'stack';
return true;
}
elseif (class_exists('\S3_Uploads\Plugin'))
{
$this->offloadName = 's3-uploads-human';
return true;
}
/* (Doesn't work)
elseif (function_exists('ud_check_stateless_media'))
{
$this->offloadName = 'wp-stateless';
return true;
} */
return false;
}
// If As3cfInit is called check WpOffload runtime. This is later in order than plugins_loaded!
public function initS3Offload($as3cf)
{
if (is_null(self::$offload_instance))
{
$this->offloadName = 'wp-offload';
self::$offload_instance = new wpOffload($as3cf);
}
else {
Log::addError('Instance is not null - other virtual component has loaded! (' . $this->offloadName . ')');
}
}
public function getOffloadName()
{
return $this->offloadName;
}
}
Offloader::getInstance(); // init