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這篇文章主要介紹了php簡單實現無限分類樹形列表的方法,實例分析了php通過數組實現樹形列表的技巧,具有一定參考借鑒價值,需要的朋友可以參考下

本文實例講述了php簡單實現無限分類樹形列表的方法。分享給大家供大家參考。具體如下：

$items = array(

1 => array('id' => 1, 'pid' => 0, 'name' => '江西省'),

2 => array('id' => 2, 'pid' => 0, 'name' => '黑龍江省'),

3 => array('id' => 3, 'pid' => 1, 'name' => '南昌市'),

4 => array('id' => 4, 'pid' => 2, 'name' => '哈爾濱市'),

5 => array('id' => 5, 'pid' => 2, 'name' => '雞西市'),

6 => array('id' => 6, 'pid' => 4, 'name' => '香坊區'),

7 => array('id' => 7, 'pid' => 4, 'name' => '南崗區'),

8 => array('id' => 8, 'pid' => 6, 'name' => '和興路'),

9 => array('id' => 9, 'pid' => 7, 'name' => '西大直街'),

10 => array('id' => 10, 'pid' => 8, 'name' => '東北林業大學'),

11 => array('id' => 11, 'pid' => 9, 'name' => '哈爾濱工業大學'),

12 => array('id' => 12, 'pid' => 8, 'name' => '哈爾濱師范大學'),

13 => array('id' => 13, 'pid' => 1, 'name' => '贛州市'),

14 => array('id' => 14, 'pid' => 13, 'name' => '贛縣'),

15 => array('id' => 15, 'pid' => 13, 'name' => '于都縣'),

16 => array('id' => 16, 'pid' => 14, 'name' => '茅店鎮'),

17 => array('id' => 17, 'pid' => 14, 'name' => '大田鄉'),

18 => array('id' => 18, 'pid' => 16, 'name' => '義源村'),

19 => array('id' => 19, 'pid' => 16, 'name' => '上壩村'),

20 => array('id' => 20, 'pid' => 0, 'name' => '廣東省'),

21 => array('id' => 21, 'pid' => 20, 'name' => '廣州市'),

);

$t = array();

foreach ($items as $id => $item) {

if ($item['pid']) {

$items[$item['pid']][$item['id']] = &$items[$item['id']];

$t[] = $id;

}

}

foreach($t as $u) {

unset($items[$u]);

}

echo "<pre>";

print_r($items);

希望本文所述對大家的php程序設計有所幫助。

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