php 数组行转列

$array = array(
    array('name'=>'张三', 'age'=>18, 'sex'=>'男'),
    array('name'=>'李四', 'age'=>20, 'sex'=>'男'),
    array('name'=>'王五', 'age'=>22, 'sex'=>'女')
);

$new_array = array(
    'name' => array('张三', '李四', '王五'),
    'age' => array(18, 20, 22),
    'sex' => array('男', '男', '女')
);

$new_array = array();
foreach($array as $key=>$value){
    foreach($value as $k=>$v){
        $new_array[$k][$key] = $v;
    }
}

function array_row2column($array){
    if(!is_array($array)){
        return false;
    }
    $new_array = array();
    foreach($array as $key=>$value){
        foreach($value as $k=>$v){
            $new_array[$k][$key] = (is_array($v)) ? array_row2column($v) : $v;
        }
    }
    return $new_array;
}