hphp/test/quick/UnsetProp.php

   1 <?hh
   2
   3 class F {
   4   public $foo;
   5 }
   6
   7 function t($o, $memb) {
   8   var_dump($o->$memb);
   9   unset($o->$memb);
  10   var_dump($o->$memb);
  11 }
  12
  13 class C {
  14   public $p = "C::p";
  15   public $q;
  16   function __unset($propName) {
  17     print "In C::__unset(\"$propName\")\n";
  18   }
  19   function cF() {
  20     unset($this->p);
  21     unset($this->q);
  22     unset($this->r);
  23   }
  24 }
  25
  26 function u() {
  27   echo "------------------------\n";
  28   $obj = new F;
  29   $obj->foo = $x;
  30   foreach ($obj as $k => $_) {
  31     echo $k . "\n";
  32   }
  33   echo "------------------------\n";
  34   $obj = new F;
  35   $obj->foo = $y++;
  36   foreach ($obj as $k => $_) {
  37     echo $k . "\n";
  38   }
  39 }
  40
  41 function main() {
  42   print "Test begin\n";
  43
  44   $f = new F();
  45   $f->foo = 12;
  46   $f->bart = "snoot";
  47   var_dump($f);
  48
  49   t($f, 'foo');
  50   t($f, 'bart');
  51   var_dump($f);
  52
  53   $c = new C();
  54   var_dump($c);
  55   $c->cF();
  56   var_dump($c);
  57
  58   $e = error_reporting(0);
  59   u();
  60
  61   error_reporting($e);
  62   print "Test end\n";
  63 }
  64
  65 main();
  66
  67 function getprop($o) {
  68   return $o->declprop;
  69 }
  70 function setprop($o, $v) {
  71   $o->declprop = $v;
  72 }
  73 class c2 {
  74   public $declprop = 'blah';
  75 }
  76
  77 function main2() {
  78   $o = new c2();
  79   setprop($o, 'set1');
  80   var_dump(getprop($o));
  81   unset($o->declprop);
  82   var_dump(getprop($o));
  83   setprop($o, 'set2');
  84   var_dump(getprop($o));
  85 }
  86
  87 main2();