Vscode-intelephense: Undefined type Memcached

[esemlabel]

Describe the bug
Undefined type error when using built in php class Memcached.

To Reproduce

<?php

class Foo {
    public function __construct() {
        $this->server = new Memcached;
    }
}

Screenshots

Platform and version
Mac OS 10.11.6
VSCode 1.47.0
Intelephense 1.5.0

[bmewburn]

Do you have memcached added to intelephense.stubs?

[esemlabel]

Yeah, that works. Didn't want to bother you.
Thanks a lot!