hphp/test/zend/good/Zend/tests/closure_044.php

   1 <?php
   2 /* A non-static closure has a bound instance if it has a scope
   3  * and doesn't have an instance if it has no scope */
   4
   5 $nonstaticUnscoped = function () { var_dump(isset(A::$priv)); var_dump(isset($this)); };
   6
   7 class A {
   8         private static $priv = 7;
   9         function getClosure() {
  10                 return function() { var_dump(isset(A::$priv)); var_dump(isset($this)); };
  11         }
  12 }
  13
  14 $a = new A();
  15 $nonstaticScoped = $a->getClosure();
  16
  17 echo "Before binding", "\n";
  18 $nonstaticUnscoped(); echo "\n";
  19 $nonstaticScoped(); echo "\n";
  20
  21 echo "After binding, null scope, no instance", "\n";
  22 $d = $nonstaticUnscoped->bindTo(null, null); $d(); echo "\n";
  23 $d = $nonstaticScoped->bindTo(null, null); $d(); echo "\n";
  24
  25 echo "After binding, null scope, with instance", "\n";
  26 $d = $nonstaticUnscoped->bindTo(new A, null); $d(); echo "\n";
  27 $d = $nonstaticScoped->bindTo(new A, null); $d(); echo "\n";
  28
  29 echo "After binding, with scope, no instance", "\n";
  30 $d = $nonstaticUnscoped->bindTo(null, 'A'); $d(); echo "\n";
  31 $d = $nonstaticScoped->bindTo(null, 'A'); $d(); echo "\n";
  32
  33 echo "After binding, with scope, with instance", "\n";
  34 $d = $nonstaticUnscoped->bindTo(new A, 'A'); $d(); echo "\n";
  35 $d = $nonstaticScoped->bindTo(new A, 'A'); $d(); echo "\n";
  36
  37 echo "Done.\n";
  38