hphp/test/quick/lsb_static_protected.php

   1 <?hh
   2
   3 class A {
   4     <<__LSB>> protected static string $x = null;
   5
   6     static function init() {
   7         if (static::$x === null) static::$x = static::class;
   8     }
   9
  10     static function afunc() {
  11         static::init();
  12         var_dump(self::$x . " " . static::$x);
  13     }
  14
  15     static function apeek() {
  16         var_dump(A::$x . " " . B::$x);
  17     }
  18 }
  19
  20 class B extends A {
  21     static function bfunc() {
  22         static::init();
  23         var_dump(self::$x . " " . static::$x);
  24     }
  25
  26     static function bpeek() {
  27         var_dump(A::$x . " " . B::$x);
  28     }
  29 }
  30
  31 A::afunc();
  32 B::afunc();
  33 B::bfunc();
  34
  35 A::apeek();
  36 B::bpeek();
  37
  38 var_dump(B::$x);