hphp/test/slow/object_property/dynprop_read_notice.php

   1 <?hh
   2
   3 function test($thing) {
   4   echo "==== " . get_class($thing) . " may notice ====\n";
   5
   6   echo "== read ==\n";
   7   $thing->dynprop = 3;
   8   $discard = $thing->dynprop;
   9
  10   echo "== read (dynamic name) ==\n";
  11   $propname = __hhvm_intrinsics\launder_value("dyn") . "prop";
  12   $discard = $thing->$propname;
  13
  14   echo "== setOp ==\n";
  15   $thing->dynprop += 2;
  16
  17   echo "== incDec ==\n";
  18   $thing->dynprop++;
  19
  20   echo "== dim for read ==\n";
  21   $thing->dynprop = array('a' => 'b');
  22   $discard = $thing->dynprop['a'];
  23
  24   echo "== dim for read (quiet) ==\n";
  25   $discard = $thing->dynprop['z'] ?? 'w';
  26   $thing->dynprop = 3; // set prop back to an int
  27
  28   echo "== cast to array ==\n";
  29   $discard = (array)$thing;
  30
  31   echo "== get_object_vars ==\n";
  32   $discard = get_object_vars($thing);
  33
  34   echo "== foreach ==\n";
  35   foreach ($thing as $k => $v) { }
  36
  37   echo "== foreach by reference ==\n";
  38   foreach ($thing as $k => &$v) { }
  39   unset($v); // unbind
  40
  41   echo "== ReflectionProperty ==\n";
  42   $discard = new ReflectionProperty($thing, 'dynprop');
  43
  44   // TODO: ReflectionClass constructor fatals on instances of
  45   // __PHP_Incomplete_Class
  46   if (!$thing instanceof __PHP_Incomplete_Class) {
  47     echo "== ReflectionClass::getProperties ==\n";
  48     $rc = new ReflectionClass($thing);
  49     $discard = $rc->getProperties();
  50   }
  51
  52   echo "== property_exists ==\n";
  53   $discard = property_exists($thing, 'dynprop');
  54
  55   echo "== print_r ==\n";
  56   $discard = print_r($thing, true);
  57
  58   echo "== var_export ==\n";
  59   $discard = var_export($thing, true);
  60
  61   echo "== var_dump ==\n";
  62   var_dump($thing);
  63
  64   echo "== debug_zval_dump ==\n";
  65   debug_zval_dump($thing);
  66
  67   echo "== json_encode ==\n";
  68   $discard = json_encode($thing);
  69
  70   echo "== serialize ==\n";
  71   $discard = serialize($thing);
  72
  73   echo "== apc_store ==\n";
  74   apc_store('dynamic', $thing);
  75
  76   echo "==== " . get_class($thing) . " never notice ====\n";
  77
  78   echo "== dim for write ==\n";
  79   $thing->dynprop = array('a' => 'b');
  80   $thing->dynprop['c'] = 'd';
  81   $thing->dynprop = 3; // set prop back to an int
  82
  83   echo "== vget ==\n";
  84   $discard =& $thing->dynprop;
  85   unset($discard); // unbind it
  86
  87   echo "== bind ==\n";
  88   $local = 3;
  89   $thing->dynprop =& $local;
  90   unset($local); // unbind it
  91
  92   echo "== clone ==\n";
  93   $discard = clone $thing;
  94
  95   echo "== unset ==\n";
  96   unset($thing->dynprop);
  97 }
  98
  99 class C {}
 100 class D { public $x = 1; }
 101 class Extends_stdClass extends stdClass {}
 102 class Extends___PHP_Incomplete_Class extends __PHP_Incomplete_Class {}
 103
 104 function main() {
 105   test(new C());
 106   test(new D());
 107   test(gmp_init(0));
 108   test(new stdClass());
 109   test(unserialize('O:4:"Nope":0:{}')); // __PHP_Incomplete_Class
 110   test(new Extends_stdClass());
 111   test(new Extends___PHP_Incomplete_Class());
 112 }
 113 main();