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<?php $d3 = array('a'=>array('b'=>'c')); foreach($d3['a'] as &$v4){} unset($v4); foreach($d3 as $v4){} var_dump($d3);
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { ["a"]=> array(1) { ["b"]=> string(1) "c" } }

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