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<?php echo "without reference\n"; $array = [0, 1, 2]; foreach ($array as $val) { var_dump(current($array)); } unset($array); unset($val); echo "\nwith reference\n"; $array = [0, 1, 2]; foreach ($array as &$val) { var_dump(current($array)); }
Output for git.master, git.master_jit, rfc.property-hooks
without reference int(0) int(0) int(0) with reference int(0) int(0) int(0)

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