php 如何把二维数组拆分一维数组

小白请大神指教：
array(2){
[name] => array{
[0] => 'tom'
[1] => 'mary'
}
[sex] => array{
[0] => '男'
[1] => '女'
}
}
拆分成
array{
[name] => 'tom'
[sex] => '男'
}
array{
[name] => 'mary'
[sex] => '女'
}