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@ 2014-10-23T20:32:16Z

<?php
class C {
  private $x = 0;
  function __get($key) {return $this->x;}
  function __isset($key) {return TRUE;}
}

$c = new C;
var_export(empty($c->__get('k')));

Output
Performance
VLD
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var_export: documentation ( source)

preferences:dark modelive preview

46.58 ms | 402 KiB | 5 Q