hphp/hack/test/find_refs/class_const.php

   1 <?hh
   2
   3 class C {
   4   const int foo = 3;
   5   public static ?string $foo;
   6   public static function foo() {}
   7
   8   public function test() {
   9     self::foo;
  10     $this::foo;
  11     C::foo;
  12     static::foo;
  13   }
  14 }
  15
  16 class D extends C {
  17   public function test() {
  18     self::foo;
  19     $this::foo;
  20     C::foo;
  21     static::foo;
  22     parent::foo;
  23   }
  24 }
  25
  26 type E = C;
  27 newtype F = C;
  28
  29 function test(C $c, D $d, E $e, F $f) {
  30   $c::foo;
  31   $d::foo;
  32   $e::foo;
  33   $f::foo;
  34   C::foo;
  35   D::foo;
  36
  37   $c::$foo;
  38   $c::foo();
  39 }