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run code in 200+ PHP versions simultaneously
<?php $lost = array("A","B","C","D"); // $list = $lost; # cow-count2 // $list = &$lost; # refcount2 $list = $lost; unset($lost); # just like just assigned but assigned and unset original. foreach ( $list as $var ) { printf("%s (%s)\n", item($list), $var); } function item(&$list) { return current($list); } ?>