Determines if the specified post is a revision.

$post int|WP_Post Required

Post ID or post object.

int|false ID of revision's parent on success, false if not a revision.

File: wp-includes/revision.php. View all references

function wp_is_post_revision( $post ) {
	$post = wp_get_post_revision( $post );

	if ( ! $post ) {
		return false;
	}

	return (int) $post->post_parent;
}