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run code in 150+ php & hhvm versions
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<?php $arr = array('a'=>'first', 'b'=>'second', 'c'=>'third'); foreach ($arr as $z); // do nothing. maybe? print_r($arr);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [a] => first [b] => second [c] => third )