Home >Backend Development >PHP Tutorial >PHP example of getting the ID numbers of all child and grandchild columns of a column_PHP tutorial
PHP example of getting the ID numbers of all child and grandchild columns of a column_PHP tutorial
- WBOYOriginal
- 2016-07-13 10:34:551129browse
Copy code The code is as follows:
//@Get the sub-column ID number
private function sonCategoryIds($categoryID)
{
//@Initialize column array
$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;
}
Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：PHP capture and analyze video information tools of domestic video websites_PHP tutorialNext article：PHP capture and analyze video information tools of domestic video websites_PHP tutorial