wierd.php

<?php

interface WithButter {
}

interface WithHam {
}

class Bread {
  public function withButter() {
    return new class extends self implements WithButter {}
  }
  public function withHam() {
    return new class extends self implements WithHam {}
  }
}

class Me {
  function eat(WithButter $goodFood) {...}
}

$i = new Me();
$i->eat(new Bread()->withButter()->withHam());