hphp/test/slow/debugger_serialize_to_debug_display_ham.php

   1 <?hh
   2
   3 class C {
   4   public $x;
   5   public function __toDebugDisplay() { return "lol"; }
   6 }
   7
   8 function test($thing) {
   9   echo "==== " . get_class($thing) . " ====\n";
  10   // 9 == VariableSerializer::Type::DebuggerSerialize
  11   var_dump(__hhvm_intrinsics\serialize_with_format($thing, 9));
  12 }
  13
  14 <<__EntryPoint>>
  15 function main() {
  16   set_error_handler(($errno, $string) ==> {
  17     if ($errno === E_NOTICE &&
  18         strpos($string, "Lval on missing array element") !== false) {
  19       throw new Exception("lol");
  20     }
  21     return false;
  22   });
  23
  24   test(new C());
  25 }