publicArrayIterator::uksort(callable$callback):true This method sorts the elements by keys using a user-supplied comparison function. 注意: 如果两个成员完全相同,...
NB ksort can be used beforehand to ensure expected results ksort($array); uksort($array, function ($a) { switch($a) { case 'pepperoni': return 0; case 'beef': ret...
NB ksort can be used beforehand to ensure expected results ksort($array); uksort($array, function ($a) { switch($a) { case 'pepperoni': return 0; case 'beef': ret...