1 <meta content="text/html" charset="utf-8"/>
2 <?php
3 $a=array (
4 0 =>
5 array (
6 'id' => '134',
7 'fid' => '0',
8 'name' => 't',
9 ),
10 1 =>
11 array (
12 'id' => '133',
13 'fid' => '0',
14 'name' => 'k',
15 ),
16 2 =>
17 array (
18 'id' => '132',
19 'fid' => '0',
20 'name' => 'j',
21 ),
22 3 =>
23 array (
24 'id' => '137',
25 'fid' => '133',
26 'name' => '我是k的分类1',
27 ),
28 4 =>
29 array (
30 'id' => '136',
31 'fid' => '134',
32 'name' => '我是t的分类t2',
33 ),
34 5 =>
35 array (
36 'id' => '135',
37 'fid' => '134',
38 'name' => '我是t的分类t1',
39 ),
40 6 =>
41 array (
42 'id' => '138',
43 'fid' => '137',
44 'name' => '我是k的分类1-1',
45 ),
46 7 =>
47 array (
48 'id' => '139',
49 'fid' => '138',
50 'name' => '我是k的分类1-1-1',
51 ),
52 8 =>
53 array (
54 'id' => '140',
55 'fid' => '139',
56 'name' => '我是k的分类1-1-1-1',
57 ),
58 );
59
60
61 $r = array (
62 0 =>
63 array (
64 'id' => '134',
65 'fid' => '0',
66 'name' => 't',
67 'children' =>
68 array (
69 0 =>
70 array (
71 'id' => '136',
72 'fid' => '134',
73 'name' => '我是t的分类t2',
74 'children' => NULL,
75 ),
76 1 =>
77 array (
78 'id' => '135',
79 'fid' => '134',
80 'name' => '我是t的分类t1',
81 'children' => NULL,
82 ),
83 ),
84 ),
85 1 =>
86 array (
87 'id' => '133',
88 'fid' => '0',
89 'name' => 'k',
90 'children' =>
91 array (
92 0 =>
93 array (
94 'id' => '137',
95 'fid' => '133',
96 'name' => '我是k的分类1',
97 'children' =>
98 array (
99 0 =>
100 array (
101 'id' => '138',
102 'fid' => '137',
103 'name' => '我是k的分类1-1',
104 'children' =>
105 array (
106 0 =>
107 array (
108 'id' => '139',
109 'fid' => '138',
110 'name' => '我是k的分类1-1-1',
111 'children' =>
112 array (
113 0 =>
114 array (
115 'id' => '140',
116 'fid' => '139',
117 'name' => '我是k的分类1-1-1-1',
118 'children' => NULL,
119 ),
120 ),
121 ),
122 ),
123 ),
124 ),
125 ),
126 ),
127 ),
128 2 =>
129 array (
130 'id' => '132',
131 'fid' => '0',
132 'name' => 'j',
133 'children' => NULL,
134 ),
135 );
136
137 //$a ==>> $r
138 echo "<pre>";
139 var_dump(assort($a, 0));
140 echo '</pre>';
141 //分类数组
142 function assort(& $arr, $fid = '0') {
143 //获取直接子类
144 $r = array();
145 foreach($arr as $k => $v) {
146 if($v['fid'] == $fid) {
147 $r[] = $v;
148 unset($arr[$k]);
149 }
150 }
151 if(empty($r)) {
152 return null;
153 }
154 //对不为空的直接子类进行循环添加子类
155 foreach($r as $k => $v) {
156 $r[$k]['children'] = assort($arr, $v['id']);
157 }
158 return $r;
159 }
160
161
162 ?>
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