public function getList()
    {
        $data = [];
        foreach ($this->providers as $provider) {
            /** @var ProviderInterface $provider */
            $data = array_merge_recursive(
                $data, $provider->getImages()
            );
        }

        return $data;
    }
public function getList()
    {
        $data = [];
        foreach ($this->providers as $provider) {
            /** @var ProviderInterface $provider */
            $data = array_merge_recursive(
                $data, $provider->getImages()
            );
        }

        return $data;
    }
public function getList ( ) { $ data = [ ] ; foreach ( $ this -> providers as $ provider ) { /** @var ProviderInterface $provider */ $ data = array_merge_recursive ( $ data , $ provider -> getImages ( ) ) ; } return $ data ; }
Returns list of images to merge

@return array
Returns list of images to merge