怎样把一个多维数组,按指定模式排列

Question

本帖最后由 taodala 于 2012-09-26 23:26:26 编辑

Answer 1

Array
(
    [0] => Array
        (
            [0] => 63
            [cate_id] => 63
            [1] => 34
            [pid] => 34
            [2] => 奥迪A6L新型C6原厂资料
            [cate_name] => 奥迪A6L新型C6原厂资料
            [3] => 0
            [cate_size] => 0
            [4] => 0
            [show_order] => 0
            [5] => 0
            [is_hidden] => 0
        )    [1] => Array
        (
            [0] => Array
                (
                    [0] => 64
                    [cate_id] => 64
                    [1] => 63
                    [pid] => 63
                    [2] => 奥迪A6L新型C6原厂资料电路图
                    [cate_name] => 奥迪A6L新型C6原厂资料电路图
                    [3] => 0
                    [cate_size] => 0
                    [4] => 0
                    [show_order] => 0
                    [5] => 0
                    [is_hidden] => 0
                )            [1] => Array
                (
                    [0] => Array
                        (
                            [0] => 65
                            [cate_id] => 65
                            [1] => 64
                            [pid] => 64
                            [2] => 奥迪A6L新型C6原厂资料收音机电路图
                            [cate_name] => 奥迪A6L新型C6原厂资料收音机电路图
                            [3] => 0
                            [cate_size] => 0
                            [4] => 0
                            [show_order] => 0
                            [5] => 0
                            [is_hidden] => 0
                        )                    [1] => Array
                        (
                        )                )        )    [2] => Array
        (
            [0] => 66
            [cate_id] => 66
            [1] => 34
            [pid] => 34
            [2] => 奥迪A7原厂资料
            [cate_name] => 奥迪A7原厂资料
            [3] => 0
            [cate_size] => 0
            [4] => 0
            [show_order] => 0
            [5] => 0
            [is_hidden] => 0
        )    [3] => Array
        (
            [0] => Array
                (
                    [0] => 67
                    [cate_id] => 67
                    [1] => 66
                    [pid] => 66
                    [2] => 奥迪a7a7原厂资料
                    [cate_name] => 奥迪a7a7原厂资料
                    [3] => 0
                    [cate_size] => 0
                    [4] => 0
                    [show_order] => 0
                    [5] => 0
                    [is_hidden] => 0
                )            [1] => Array
                (
                    [0] => Array
                        (
                            [0] => 68
                            [cate_id] => 68
                            [1] => 67
                            [pid] => 67
                            [2] => 奥迪a7a7a7a7原厂资料
                            [cate_name] => 奥迪a7a7a7a7原厂资料
                            [3] => 0
                            [cate_size] => 0
                            [4] => 0
                            [show_order] => 0
                            [5] => 0
                            [is_hidden] => 0
                        )                    [1] => Array
                        (
                            [0] => Array
                                (
                                    [0] => 69
                                    [cate_id] => 69
                                    [1] => 68
                                    [pid] => 68
                                    [2] => 奥迪a7a7a7a7a7a7a7a7原厂资料
                                    [cate_name] => 奥迪a7a7a7a7a7a7a7a7原厂资料
                                    [3] => 0
                                    [cate_size] => 0
                                    [4] => 0
                                    [show_order] => 0
                                    [5] => 0
                                    [is_hidden] => 0
                                )                            [1] => Array
                                (
                                )                        )                )        ))

Answer 2

function func($ar, $deep=0) {
  froeach($ar as $item) {
    if(isset($item['cate_id'])) {
      echo "<option value='$item[cate_id]'>".str_repeat('&nbsp;', $deep*2)."$item[cate_name]</option>";
    else if(is_array($item)) func($item, $deep+1);
  } . 
}echo '<select>';
func($ar);
echo '</select>';