wp_is_post_autosave() │ WP 2.6.0

Determines if the specified post is an autosave.

Uses: wp_get_post_revision()
1 time — 0.001271 sec (very slow) | 50000 times — 0.22 sec (very fast) | PHP 7.1.5, WP 4.8.2

No Hooks.

Return

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

Usage

wp_is_post_autosave( $post );
$post(int|WP_Post) (required)
Post ID or post object.

Examples

0

#1 Check if the specified post is an autosave (revision) 

$post_id = 20;
if ( wp_is_post_autosave( $post_id ) ) {
	return;
}

Changelog

Since 2.6.0 Introduced.

wp_is_post_autosave() code WP 6.4.1

wp-includes/revision.php 
function wp_is_post_autosave( $post ) {
	$post = wp_get_post_revision( $post );

	if ( ! $post ) {
		return false;
	}

	if ( str_contains( $post->post_name, "{$post->post_parent}-autosave" ) ) {
		return (int) $post->post_parent;
	}

	return false;
}

Conditional tags (all)

Revisions