WP_REST_Autosaves_Controller::create_post_autosave() │ public │ WP 5.0.0

Creates autosave for the specified post.

From wp-admin/post.php.

Method of the class: WP_REST_Autosaves_Controller{}

Return

Mixed. The autosave revision ID or WP_Error.

Usage

$WP_REST_Autosaves_Controller = new WP_REST_Autosaves_Controller();
$WP_REST_Autosaves_Controller->create_post_autosave( $post_data );

$post_data(array) (required)

Associative array containing the post data.

Changelog

WP_REST_Autosaves_Controller::create_post_autosave() WP REST Autosaves Controller::create post autosave code ^{WP 6.3}

public function create_post_autosave( $post_data ) {

	$post_id = (int) $post_data['ID'];
	$post    = get_post( $post_id );

	if ( is_wp_error( $post ) ) {
		return $post;
	}

	// Only create an autosave when it is different from the saved post.
	$autosave_is_different = false;
	$new_autosave          = _wp_post_revision_data( $post_data, true );

	foreach ( array_intersect( array_keys( $new_autosave ), array_keys( _wp_post_revision_fields( $post ) ) ) as $field ) {
		if ( normalize_whitespace( $new_autosave[ $field ] ) !== normalize_whitespace( $post->$field ) ) {
			$autosave_is_different = true;
			break;
		}
	}

	$user_id = get_current_user_id();

	// Store one autosave per author. If there is already an autosave, overwrite it.
	$old_autosave = wp_get_post_autosave( $post_id, $user_id );

	if ( ! $autosave_is_different && $old_autosave ) {
		// Nothing to save, return the existing autosave.
		return $old_autosave->ID;
	}

	if ( $old_autosave ) {
		$new_autosave['ID']          = $old_autosave->ID;
		$new_autosave['post_author'] = $user_id;

		/** This filter is documented in wp-admin/post.php */
		do_action( 'wp_creating_autosave', $new_autosave );

		// wp_update_post() expects escaped array.
		return wp_update_post( wp_slash( $new_autosave ) );
	}

	// Create the new autosave as a special post revision.
	return _wp_put_post_revision( $post_data, true );
}