class Say {
    public function let() {
        echo 'Let' . " ";
        return $this;
    }
    public function me() {
        echo 'Me' . " ";
        return $this;
    }
    public function tell() {
        echo 'Tell' . " ";
        return $this;
    }
    public function you() {
        echo 'You' . " ";
        return $this;
    }
    public function something() {
        echo 'Something' . " ";
    }
}
$phrase = new Say;
$phrase->let()->me()->tell()->you()->something();