protected function set_product_image_as_attachment( $upload, $id ) {
		$info    = wp_check_filetype( $upload['file'] );
		$title   = '';
		$content = '';

		if ( $image_meta = @wp_read_image_metadata( $upload['file'] ) ) {
			if ( trim( $image_meta['title'] ) && ! is_numeric( sanitize_title( $image_meta['title'] ) ) ) {
				$title = wc_clean( $image_meta['title'] );
			}
			if ( trim( $image_meta['caption'] ) ) {
				$content = wc_clean( $image_meta['caption'] );
			}
		}

		$attachment = array(
			'post_mime_type' => $info['type'],
			'guid'           => $upload['url'],
			'post_parent'    => $id,
			'post_title'     => $title,
			'post_content'   => $content,
		);

		$attachment_id = wp_insert_attachment( $attachment, $upload['file'], $id );
		if ( ! is_wp_error( $attachment_id ) ) {
			wp_update_attachment_metadata( $attachment_id, wp_generate_attachment_metadata( $attachment_id, $upload['file'] ) );
		}

		return $attachment_id;
	}