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@ 2013-11-08T17:46:50Z

<?php

function do_something(array $array) {
  return count($array);
}

class Foo extends \ArrayObject {
}

$foo = new Foo();
var_dump(do_something($foo));

Output
Performance
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var_dump: documentation ( source)

preferences:dark modelive preview

38.39 ms | 402 KiB | 5 Q