[PHP知识库]PHP关于一维数组(键值对)转换二维数组

关于一维数组转换二维数组
array:10 [
  0 => 800.0
  1 => 730.0
  2 => 1021.0
  3 => 630.0
  4 => 810.0
  5 => 410.0
  6 => 601.0
  7 => 430.0
  8 => 1100.0
  9 => 600.0
]
代码:
$arr = [];
    foreach ($one as $k=>$v) {
        $arr[$k]['key'] = $k;
        $arr[$k]['value'] = $v;
    }
?这是转换后的