在阵列中的位置

1 php arrays

我怎么能发现twoVal位于1?

$arr = array('Cool Viski' => array('oneVal' => '169304',
                                   'twoVal' => '166678',
                                   'threeVal' => '45134'));
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dec*_*eze 8

$position = array_search('twoVal', array_keys($arr['Cool Viski']));
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