PHP example of getting the ID numbers of all child and grandchild columns of a column_PHP tutorial

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;
}

http://www.bkjia.com/PHPjc/748157.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/748157.htmlTechArticleCopy the code The code is as follows: //@Get the sub-column ID private function sonCategoryIds($categoryID) { //@ Initialize column array $array[] = $categoryID; do { $ids = ''; $temp = $this-mys...