hphp/test/slow/unary_operators/isset_global.php

   1 <?hh
   2
   3
   4 <<__EntryPoint>>
   5 function main_isset_global() :mixed{
   6 var_dump(isset($i_dont_exist));
   7
   8 $i_am_null = null;
   9 var_dump(isset($i_am_null));
  10 }