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  • 无限分类 引用传值

    $item = array(
            array('id' => 1, 'fid' => 0, 'name' => '一级11','level'=>1 ),
            array('id' => 11, 'fid' => 0, 'name' => '一级12','level'=>1  ),
            array('id' => 2, 'fid' => 1, 'name' => '二级21','level'=>2 ),
            array('id' => 10, 'fid' => 11, 'name' => '二级22','level'=>2 ),
            array('id' => 3, 'fid' => 1, 'name' => '二级23','level'=>2 ),
            array('id' => 12, 'fid' => 11, 'name' => '二级24','level'=>2 ),
            array('id' => 9, 'fid' => 1, 'name' => '二级25','level'=>2 ),
            array('id' => 14, 'fid' => 1, 'name' => '二级26','level'=>2 ),
            array('id' => 4, 'fid' => 9, 'name' => '三级31','level'=>3 ),
            array('id' => 6, 'fid' => 9, 'name' => '三级32','level'=>3 ),
            array('id' => 7, 'fid' => 4, 'name' => '四级41','level'=>4 ),
            array('id' => 8, 'fid' => 4, 'name' => '四级42','level'=>4 ),
            array('id' => 5, 'fid' => 4, 'name' => '四级43','level'=>4 ),
            array('id' => 13, 'fid' => 4, 'name' => '四级44','level'=>4 ),
            array('id' => 15, 'fid' => 8, 'name' => '五级51','level'=>5 ),
            array('id' => 16, 'fid' => 8, 'name' => '五级52','level'=>5 ),
            array('id' => 17, 'fid' => 8, 'name' => '五级53','level'=>5 ),
            array('id' => 18, 'fid' => 16, 'name' => '六级64','level'=>6 ),
    ); 
    
        foreach($item as $_item)
        {
            $tem[$_item['id']]=$_item;
        }
        
        foreach($item as $_item)
        {
                if($tem[$_item['fid']]==0)
                {
                    $tree[]=&$tem[$_item['id']];    
                }else
                {    
                    $tem[$_item['fid']]['son'][]=&$tem[$_item['id']];
                }
        }
        
        print_r($tree);
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  • 原文地址:https://www.cnblogs.com/xuyaoxiang1991/p/3449548.html
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