<?php
function create_tree($arr,$pid=0)
{
$ret = array();
foreach($arr as $k => $v)
{
if($v['pid'] == $pid)
{
$tmp = $arr[$k];unset($arr[$k]);
$tmp['children'] = create_tree($arr,$v['id']);
$ret[] = $tmp;
}
} return $ret;
}
$arr = array( array('id'=>1,'pid'=>'0','name'=>'11111'), array('id'=>2,'pid'=>'1','name'=>'22222'), array('id'=>3,'pid'=>'0','name'=>'33333'), array('id'=>4,'pid'=>'3','name'=>'44444'), array('id'=>5,'pid'=>'4','name'=>'55555'), array('id'=>6,'pid'=>'1','name'=>'66666'));echo "<pre>";print_r(create_tree($arr));
preferences:
39.14 ms | 402 KiB | 5 Q