apply_filters( 'pre_get_shortlink', false|string $return, int $id, string $context, bool $allow_slugs )

4152	 *4153	 * @param false|string $return      Short-circuit return value. Either false or a URL string.4154	 * @param int          $id          Post ID, or 0 for the current post.4155	 * @param string       $context     The context for the link. One of 'post' or 'query',4156	 * @param bool         $allow_slugs Whether to allow post slugs in the shortlink.4157	 */4158	$shortlink = apply_filters( 'pre_get_shortlink', false, $id, $context, $allow_slugs );4159 4160	if ( false !== $shortlink ) {4161		return $shortlink;4162	}4163 4164	$post_id = 0;