hphp/test/slow/inout/tuple/tests/def-func.php

   1 <?hh
   2
   3 function main($nontop) {
   4   function nontop(inout $x, inout $y) {
   5     list($x, $y) = array($y, $x);
   6     $bt = array_slice(debug_backtrace(), 0, 2);
   7     echo implode(', ',array_map($a ==> $a['function'], $bt))."\n";
   8     return 'foo';
   9   }
  10
  11   $x1 = 24;
  12   $y1 = 42;
  13   $a = nontop(inout $x1, inout $y1);
  14   var_dump($a, $x1, $y1);
  15
  16   $x2 = 18;
  17   $y2 = 81;
  18   $a = $nontop(inout $x2, inout $y2);
  19   var_dump($a, $x2, $y2);
  20 }
  21
  22 main('nontop');