wp_get_shortlink( int $id = 0, string $context = 'post', bool $allow_slugs = true ): string

4144function wp_get_shortlink( $id = 0, $context = 'post', $allow_slugs = true ) {4145	/**4146	 * Filters whether to preempt generating a shortlink for the given post.4147	 *4148	 * Returning a value other than false from the filter will short-circuit4149	 * the shortlink generation process, returning that value instead.4150	 *4151	 * @since 3.0.04152	 *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;4165	if ( 'query' === $context && is_singular() ) {4166		$post_id = get_queried_object_id();4167		$post    = get_post( $post_id );4168	} elseif ( 'post' === $context ) {4169		$post = get_post( $id );4170		if ( ! empty( $post->ID ) ) {4171			$post_id = $post->ID;4172		}4173	}4174 4175	$shortlink = '';4176 4177	// Return `?p=` link for all public post types.4178	if ( ! empty( $post_id ) ) {4179		$post_type = get_post_type_object( $post->post_type );4180 4181		if ( 'page' === $post->post_type4182			&& 'page' === get_option( 'show_on_front' ) && (int) get_option( 'page_on_front' ) === $post->ID4183		) {4184			$shortlink = home_url( '/' );4185		} elseif ( $post_type && $post_type->public ) {4186			$shortlink = home_url( '?p=' . $post_id );4187		}4188	}4189 4190	/**4191	 * Filters the shortlink for a post.4192	 *4193	 * @since 3.0.04194	 *4195	 * @param string $shortlink   Shortlink URL.4196	 * @param int    $id          Post ID, or 0 for the current post.4197	 * @param string $context     The context for the link. One of 'post' or 'query',4198	 * @param bool   $allow_slugs Whether to allow post slugs in the shortlink. Not used by default.4199	 */4200	return apply_filters( 'get_shortlink', $shortlink, $id, $context, $allow_slugs );4201}