wp_is_post_autosave( int|WP_Post $post )

Determines if the specified post is an autosave.

Description Description

Parameters Parameters


(int|WP_Post) (Required) Post ID or post object.

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Return Return

(false|int) False if not a revision, ID of autosave's parent otherwise

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Source Source

File: wp-includes/revision.php

function wp_is_post_autosave( $post ) {
	$post = wp_get_post_revision( $post );
	if ( ! $post ) {
		return false;

	if ( false !== strpos( $post->post_name, "{$post->post_parent}-autosave" ) ) {
		return (int) $post->post_parent;

	return false;

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Changelog Changelog

Version Description
2.6.0 Introduced.

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