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<?php $arr = array(1, 2, 3, 4); var_dump($arr); foreach ($arr as &$value) { $value = $value * 2; } var_dump($arr); unset($value); var_dump($arr); ?>
Output for git.master, git.master_jit, rfc.property-hooks
array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) } array(4) { [0]=> int(2) [1]=> int(4) [2]=> int(6) [3]=> &int(8) } array(4) { [0]=> int(2) [1]=> int(4) [2]=> int(6) [3]=> int(8) }

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