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<?php $anotherarr = array('b' => 'B'); $arr = array(); $arr['a'] = 'A'; $arr['b1'] =& $anotherarr['b']; $arr['b2'] =& $arr['d']; $arr['c'] = 'C'; $arr['d'] = 'D'; var_dump($arr);
Output for git.master, git.master_jit, rfc.property-hooks
array(5) { ["a"]=> string(1) "A" ["b1"]=> &string(1) "B" ["d"]=> &string(1) "D" ["b2"]=> &string(1) "D" ["c"]=> string(1) "C" }

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