/**
* {@inheritDoc}
*/
public function getFunctions()
{
return array_merge(parent::getFunctions(), [new Twig_SimpleFunction('cdn', function ($outputPath) {
$basePath = rtrim($this->app['assets.output_path']);
$assetPath = $basePath . '/' . $outputPath;
$assetModified = file_exists($assetPath) ? filemtime($assetPath) : null;
$cacheBuster = substr(sha1($assetModified), 0, 7);
return rtrim($this->app['assets.output_uri'], '/') . '/' . $outputPath . '?' . $cacheBuster;
})]);
}
public function getGlobals()
{
$globals = parent::getGlobals();
$globals['assetic']['use_controller'] = $this->useController;
return $globals;
}
public function __construct(AssetFactory $factory, $functions = array(), ValueSupplierInterface $valueSupplier = null, $app = null)
{
parent::__construct($factory, $functions, $valueSupplier);
$this->app = $app;
}