set_post_type( int $post_id, string $post_type = 'post' )

Update the post type for the post ID.

Description

The page or post cache will be cleaned for the post ID.

Parameters

$post_id

(Optional) Post ID to change post type. Default 0.

$post_type

(Optional) Post type. Accepts 'post' or 'page' to name a few. Default 'post'.

Default value: 'post'

Return

(int|false) Amount of rows changed. Should be 1 for success and 0 for failure.

Source

File: wp-includes/post.php

function set_post_type( $post_id = 0, $post_type = 'post' ) {
	global $wpdb;

	$post_type = sanitize_post_field('post_type', $post_type, $post_id, 'db');
	$return = $wpdb->update( $wpdb->posts, array('post_type' => $post_type), array('ID' => $post_id) );

	clean_post_cache( $post_id );

	return $return;
}

Expand Source Code View on GitHub

Uses

Uses
Uses	Description
wp-includes/wp-db.php: wpdb::update()	Update a row in the table
wp-includes/post.php: clean_post_cache()	Will clean the post in the cache.
wp-includes/post.php: sanitize_post_field()	Sanitize post field based on context.

Changelog

Changelog
Version	Description
WP-2.5.0	Introduced.