php无限极下拉框 php递归实现无限分类生成下拉列表的函数

代码如下:

/*—————————————————— */

//– 递归实现无限分类生成下拉列表函数

//– $tpl->assign('sort_list',createSortOptions ());

//– $tpl->assign('sort_list',createSortOptions ($sort_id));

/*—————————————————— */

function createSortOptions ($selected=0,$parent_id=0,$n=-1)

{

global $db;

$sql = "SELECT * FROM `@__article_sort` WHERE `parent_id` = '{$parent_id}'";

$options = ";

static $i = 0;

if ($i == 0)

{

$options .= '

if ($row['sort_id'] == $selected)

{

$options .=' selected ';

}

$options .=">".str_repeat('',$n*3).$row['sort_name']."

";

$options .=createSortOptions ($selected,$row['sort_id'],$n);

}

}

return $options;

}