BP_REST_Topics_Endpoint::get_topic_revisions( int $topic_id )

	public function get_topic_revisions( $topic_id = 0 ) {
		// Create necessary variables.
		$topic_id     = bbp_get_topic_id( $topic_id );
		$revision_log = bbp_get_topic_raw_revision_log( $topic_id );

		if ( empty( $topic_id ) || empty( $revision_log ) || ! is_array( $revision_log ) ) {
			return false;
		}

		$revisions = bbp_get_topic_revisions( $topic_id );
		if ( empty( $revisions ) ) {
			return false;
		}

		$retval = array();

		// Loop through revisions.
		foreach ( (array) $revisions as $revision ) {

			if ( empty( $revision_log[ $revision->ID ] ) ) {
				$author_id = $revision->post_author;
				$reason    = '';
			} else {
				$author_id = $revision_log[ $revision->ID ]['author'];
				$reason    = $revision_log[ $revision->ID ]['reason'];
			}

			$retval[] = array(
				'time'        => esc_html( bbp_get_time_since( bbp_convert_date( $revision->post_modified ) ) ),
				'author_id'   => bbp_get_topic_author_id( $topic_id ),
				'author_name' => bbp_get_topic_author_display_name( $revision->ID ),
				'avatar'      => ( ! empty( bbp_get_topic_author_id( $topic_id ) ) ? get_avatar_url( bbp_get_topic_author_id( $topic_id ), 300 ) : '' ),
				'reason'      => $reason,
			);
		}

		return apply_filters( 'bp_rest_bbp_get_topic_revision_log', $retval, $topic_id );
	}