string(1) "1" ["pid"] => string(1) "0" ["title"] => string(6)">
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php导航分类求大神

时间：2021-07-01 10:21:17 帮助过：2人阅读

下面是10个数组

  1. <code>array(10) {
  2.   [0] => array(5) {
  3.     ["id"] => string(1) "1"
  4.     ["pid"] => string(1) "0"
  5.     ["title"] => string(6) "讨论"
  6.     ["sort"] => string(1) "0"
  7.     ["siatus"] => string(1) "0"
  8.   }
  9.   [1] => array(5) {
  10.     ["id"] => string(1) "2"
  11.     ["pid"] => string(1) "0"
  12.     ["title"] => string(6) "下载"
  13.     ["sort"] => string(1) "0"
  14.     ["siatus"] => string(1) "0"
  15.   }
  16.   [2] => array(5) {
  17.     ["id"] => string(1) "3"
  18.     ["pid"] => string(1) "0"
  19.     ["title"] => string(9) "官方区"
  20.     ["sort"] => string(1) "0"
  21.     ["siatus"] => string(1) "0"
  22.   }
  23.   [3] => array(5) {
  24.     ["id"] => string(1) "4"
  25.     ["pid"] => string(1) "1"
  26.     ["title"] => string(12) "求助交流"
  27.     ["sort"] => string(1) "0"
  28.     ["siatus"] => string(1) "0"
  29.   }
  30.   [4] => array(5) {
  31.     ["id"] => string(1) "5"
  32.     ["pid"] => string(1) "1"
  33.     ["title"] => string(12) "技术分享"
  34.     ["sort"] => string(1) "0"
  35.     ["siatus"] => string(1) "0"
  36.   }
  37.   [5] => array(5) {
  38.     ["id"] => string(1) "6"
  39.     ["pid"] => string(1) "2"
  40.     ["title"] => string(9) "电子书"
  41.     ["sort"] => string(1) "0"
  42.     ["siatus"] => string(1) "0"
  43.   }
  44.   [6] => array(5) {
  45.     ["id"] => string(1) "7"
  46.     ["pid"] => string(1) "2"
  47.     ["title"] => string(6) "软件"
  48.     ["sort"] => string(1) "0"
  49.     ["siatus"] => string(1) "0"
  50.   }
  51.   [7] => array(5) {
  52.     ["id"] => string(1) "8"
  53.     ["pid"] => string(1) "3"
  54.     ["title"] => string(6) "反馈"
  55.     ["sort"] => string(1) "0"
  56.     ["siatus"] => string(1) "0"
  57.   }
  58.   [8] => array(5) {
  59.     ["id"] => string(1) "9"
  60.     ["pid"] => string(1) "1"
  61.     ["title"] => string(12) "综合讨论"
  62.     ["sort"] => string(1) "0"
  63.     ["siatus"] => string(1) "0"
  64.   }
  65.   [9] => array(5) {
  66.     ["id"] => string(2) "10"
  67.     ["pid"] => string(1) "3"
  68.     ["title"] => string(12) "程序发布"
  69.     ["sort"] => string(1) "0"
  70.     ["siatus"] => string(1) "0"
  71.   }
  72. }</code>

pid为0的是顶级导航 有3个 id为0,1,2 也就是讨论 下载 官方区
pid不为0的是子导航 有7个 id为3,4,5,6,7,8,9 也就是求助交流 技术分享 电子书 软件 反馈 综合讨论 程序发布
子导航的pid就是顶级导航的id 也就是讨论下面是求助交流 技术分享 综合讨论

现在需要写一个函数 参数就是那十堆数组 要求返回一个数组$return

$return['top']就是那些顶级导航数组 3组数组
array(3){..顶级导航`讨论 下载 官方区数组..}

$return['child']就是那些子导航数组 注意的是也是3组数组 也就是和顶级数组对应
array(3){
[0] => array(3){..求助交流 技术分享 综合讨论数组.}
[1] => array(2){..电子书 软件数组..}
[2] => array(2){..反馈 程序发布数组..}
}
数组1属于讨论数组的子导航数组
数组2是下载数组的子导航数组
数组3就是官方区数组的子导航数组

回复内容：

下面是10个数组

  1. <code>array(10) {
  2.   [0] => array(5) {
  3.     ["id"] => string(1) "1"
  4.     ["pid"] => string(1) "0"
  5.     ["title"] => string(6) "讨论"
  6.     ["sort"] => string(1) "0"
  7.     ["siatus"] => string(1) "0"
  8.   }
  9.   [1] => array(5) {
  10.     ["id"] => string(1) "2"
  11.     ["pid"] => string(1) "0"
  12.     ["title"] => string(6) "下载"
  13.     ["sort"] => string(1) "0"
  14.     ["siatus"] => string(1) "0"
  15.   }
  16.   [2] => array(5) {
  17.     ["id"] => string(1) "3"
  18.     ["pid"] => string(1) "0"
  19.     ["title"] => string(9) "官方区"
  20.     ["sort"] => string(1) "0"
  21.     ["siatus"] => string(1) "0"
  22.   }
  23.   [3] => array(5) {
  24.     ["id"] => string(1) "4"
  25.     ["pid"] => string(1) "1"
  26.     ["title"] => string(12) "求助交流"
  27.     ["sort"] => string(1) "0"
  28.     ["siatus"] => string(1) "0"
  29.   }
  30.   [4] => array(5) {
  31.     ["id"] => string(1) "5"
  32.     ["pid"] => string(1) "1"
  33.     ["title"] => string(12) "技术分享"
  34.     ["sort"] => string(1) "0"
  35.     ["siatus"] => string(1) "0"
  36.   }
  37.   [5] => array(5) {
  38.     ["id"] => string(1) "6"
  39.     ["pid"] => string(1) "2"
  40.     ["title"] => string(9) "电子书"
  41.     ["sort"] => string(1) "0"
  42.     ["siatus"] => string(1) "0"
  43.   }
  44.   [6] => array(5) {
  45.     ["id"] => string(1) "7"
  46.     ["pid"] => string(1) "2"
  47.     ["title"] => string(6) "软件"
  48.     ["sort"] => string(1) "0"
  49.     ["siatus"] => string(1) "0"
  50.   }
  51.   [7] => array(5) {
  52.     ["id"] => string(1) "8"
  53.     ["pid"] => string(1) "3"
  54.     ["title"] => string(6) "反馈"
  55.     ["sort"] => string(1) "0"
  56.     ["siatus"] => string(1) "0"
  57.   }
  58.   [8] => array(5) {
  59.     ["id"] => string(1) "9"
  60.     ["pid"] => string(1) "1"
  61.     ["title"] => string(12) "综合讨论"
  62.     ["sort"] => string(1) "0"
  63.     ["siatus"] => string(1) "0"
  64.   }
  65.   [9] => array(5) {
  66.     ["id"] => string(2) "10"
  67.     ["pid"] => string(1) "3"
  68.     ["title"] => string(12) "程序发布"
  69.     ["sort"] => string(1) "0"
  70.     ["siatus"] => string(1) "0"
  71.   }
  72. }</code>

pid为0的是顶级导航 有3个 id为0,1,2 也就是讨论 下载 官方区
pid不为0的是子导航 有7个 id为3,4,5,6,7,8,9 也就是求助交流 技术分享 电子书 软件 反馈 综合讨论 程序发布
子导航的pid就是顶级导航的id 也就是讨论下面是求助交流 技术分享 综合讨论

现在需要写一个函数 参数就是那十堆数组 要求返回一个数组$return

$return['top']就是那些顶级导航数组 3组数组
array(3){..顶级导航`讨论 下载 官方区数组..}

$return['child']就是那些子导航数组 注意的是也是3组数组 也就是和顶级数组对应
array(3){
[0] => array(3){..求助交流 技术分享 综合讨论数组.}
[1] => array(2){..电子书 软件数组..}
[2] => array(2){..反馈 程序发布数组..}
}
数组1属于讨论数组的子导航数组
数组2是下载数组的子导航数组
数组3就是官方区数组的子导航数组

  1. <code>function getFormate($arr){
  2.     $top = $child = array();
  3.     foreach($arr as $val){
  4.         if($val['pid'] == 0){
  5.             $top[] = $val;
  6.         }else{
  7.             $child[ $val['pid'] ][] =    $val; 
  8.         }
  9.     }
  10.     return array('top' => $top, 'child' => array_values($child) );
  11. }</code>

这应该是你需要的

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