版权声明:本文为博主原创文章,拒绝相同的垃圾博文。 https://blog.csdn.net/tsummerb/article/details/77239537
1、递归组合多维数组
<?php
$a=array(
0=>array('id'=>1,'title'=>'首页','pid'=>'0'),
1=>array('id'=>2,'title'=>'技术','pid'=>'0'),
2=>array('id'=>3,'title'=>'PHP','pid'=>'2'),
3=>array('id'=>4,'title'=>'Linux','pid'=>'2'),
4=>array('id'=>5,'title'=>'关于','pid'=>'0'),
);
function digui($arr,$sid=0){
$res=array();
foreach($arr as $k=>$v) {
if($v['pid']==$sid){
$v['child']=digui($arr,$v['id']);
$res[]=$v;
}
}
return $res;
}
print_r(digui($a));
2、递归组合一维数组
function digui2($arr,$html='--',$aid=0,$level=0){
$result=array();
foreach ($arr as $k => $v) {
if($v['pid']==$aid){
$v['level']=$level+1;
$v['html']=str_repeat($html,$level);
$result[]=$v;
$result=array_merge($result,digui2($arr,$html,$v['id'],$level+1));
}
}
return $result;
}
print_r(digui2($a));