public function get_author_id_from_raw( $raw, $fallback_author_id = null ) {

		// If author is set, get the author id.
		if ( isset( $raw['author'] ) ) {
			$author_id = $this->get_author_id( $raw['author'] );
		}

		// Fallback to current user.
		if ( empty( $author_id ) ) {
			$author_id = ! empty( $fallback_author_id ) ? $fallback_author_id : get_current_user_id();
		}

		return $author_id;