Error in loading installed plugins

Software Support
11

Below code worked:

$doc = new DOMDocument('1.0');
$proxy = Config::getVar('proxy', 'http_host').':'.Config::getVar('proxy', 'http_port');
$ch = curl_init(PLUGIN_GALLERY_XML_URL);
$options = array(  
    CURLOPT_PROXY          => $proxy, 
    CURLOPT_RETURNTRANSFER => true,
);

curl_setopt_array( $ch, $options );
$content = curl_exec( $ch );        
$doc->load($content);