_wp_get_post_revision_version() WordPress Function

The wp_get_post_revision_version() function is used to retrieve the version information for a given post revision. This function is useful for programmatically determining the current version of a post, or for determining the most recent post revision.

_wp_get_post_revision_version( WP_Post $revision ) #

function _wp_get_post_revision_version( $revision ) {
	if ( is_object( $revision ) ) {
		$revision = get_object_vars( $revision );
	} elseif ( ! is_array( $revision ) ) {
		return false;
	}

	if ( preg_match( '/^\d+-(?:autosave|revision)-v(\d+)$/', $revision['post_name'], $matches ) ) {
		return (int) $matches[1];
	}

	return 0;
}