hphp/test/quick/traits.php

   1 <?hh
   2 const FOO = 123;
   3 trait T {
   4   private $blah = FOO;
   5   public function test() {
   6     var_dump($this->blah);
   7   }
   8 }
   9 class C {
  10   use T;
  11 }
  12 $obj = new C;
  13 $obj->test();