WordPress Cache Incrementor

gistfile1.txt

/**
 * Gets or updates the cache incrementor for a post type.
 *
 * @param string $post_type The post type.
 * @param bool   $update      Whether to force an incrementor update.
 * @return string
 */
function post_type_cache_incrementor( $post_type, $update = false ) {

	$group = 'post_type_cache_incrementor';

	if ( $update ) {
		wp_cache_delete( $post_type, $group );
	}

	$incrementor = wp_cache_get( $post_type, $group );

	if ( false === $incrementor ) {
		$incrementor = current_time( 'timestamp' );
		wp_cache_set( $post_type, $incrementor, $group, HOUR_IN_SECONDS );
	}

	return $incrementor;
}

/**
 * Updates the cache incrementor for a post type.
 *
 * @param  int|WP_Post $post The post ID or object.
 * @return void
 */
function update_post_type_cache_incrementor( $post ) {

	// Check autosave.
	if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
		return;
	}

	$post = get_post( $post );
	if ( is_a( $post, '\WP_Post' ) ) {
		post_type_cache_incrementor( $post->post_type, true );
	}
}