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Homephp教程PHP源码PHP 获取栏目的【所有子级和孙级栏目】的ID号

PHP 获取栏目的【所有子级和孙级栏目】的ID号

在无限栏目分类中,我们有时候需要调用某个栏目的子栏目和孙子栏目以及曾孙栏目等等……
这段代码可以实现这个功能

//@获取子栏目ID号
private function sonCategoryIds($categoryID)
{
    //@初始化栏目数组
    $array[] = $categoryID;
     
    do
    {
        $ids = '';
$temp = $this->mysql->select('SELECT `id` FROM `pcb_article_category` WHERE `parentID` IN (' . $categoryID . ')');
        foreach ($temp as $v)
        {
            $array[] = $v['id'];
            $ids .= ',' . $v['id'];
        }
        $ids = substr($ids, 1, strlen($ids));
        $categoryID = $ids;
    }
    while (!empty($temp));
 
    $ids = implode(',', $array);
     
    return $ids;
}

                   

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