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<?php $arr = array('1', '2', '3'); z($arr); function z($arr) { foreach ($arr as $key=>&$val) { $arr[3] = '999'; echo $val."\n"; } } var_dump($arr);
Output for git.master, git.master_jit, rfc.property-hooks
1 2 3 999 array(3) { [0]=> string(1) "1" [1]=> string(1) "2" [2]=> string(1) "3" }

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