note mreece a little whitespace around your operators would make this more readable! <p> personally, i don't think a precedence tutorial can be complete without touching on the difference between <c>&&</c> and <c>||</c> vs <c>and</c> and <c>or</c>. <p> this bug bit me yesterday: <c> return $this and $that and is_ok($this, $that); </c> 587193 587193