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PHP实现无限级分类

作者:互联网

function getTree($data) {
    $items = [];
    foreach ($data as $v){
        $items[$v['id']] = $v; // $items[1] =
    }
    $tree = array(); //格式化好的树
    foreach ($items as $item)
        if (isset($items[$item['pid']]))
            $items[$item['pid']]['son'][] = &$items[$item['id']];
        else
            $tree[] = &$items[$item['id']];
    return $tree;
}

标签:items,pid,分类,tree,item,无限,foreach,PHP,id
来源: https://www.cnblogs.com/itzhangxuhui/p/15732812.html