get_supported_resource(); if ( ! isset( $this->storages[ $supported_resource ] ) ) { $this->storages[ $supported_resource ] = array(); } $this->storages[ $supported_resource ][] = $downloader; } /** * Check if the resource is supported. * * @param string $resource_type The resource type to check. * * @return bool */ public function is_supported_resource( $resource_type ) { return isset( $this->storages[ $resource_type ] ); } /** * Download the resource. * * @param string $slug The slug of the resource to download. * @param string $resource_type The resource type to download. * * @return false|string */ public function download( $slug, $resource_type ) { if ( ! isset( $this->storages[ $resource_type ] ) ) { return false; } $storages = $this->storages[ $resource_type ]; foreach ( $storages as $storage ) { $found = $storage->download( $slug ); if ( $found ) { return $found; } } return false; } }