hphp/test/zend/bad/ext-standard-array/bug28739.php

   1 <?php
   2 class p {
   3    public $x;
   4    function __construct($x){$this->x=$x;}
   5 }
   6 function a(&$a, &$b){var_dump(__FUNCTION__);return $a->x - $b->x;}
   7 function b(&$a, &$b){var_dump(__FUNCTION__);return $a->x - $b->x;}
   8
   9 $p1 = array(new p(2), new p(1), new p(0));
  10 $p2 = array(new p(0), new p(2), new p(3));
  11
  12 uasort($p1, 'a');
  13 print_r($p1);
  14 echo "Now diffing:\n";
  15 print_r(array_udiff($p1,$p2, 'b'));
  16 ?>