Shulou(Shulou.com)06/03 Report--

This article mainly introduces "how to get the ID number of all the children and grandchildren of the column by PHP". In the daily operation, I believe many people have doubts about how to obtain the ID number of all the children and grandchildren of the column. The editor has consulted all kinds of materials and sorted out a simple and useful method of operation. I hope it will be helpful for you to answer the doubt of "how to get the ID number of all the children and grandchildren of the column"! Next, please follow the editor to study!

The copy 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_ roomy` 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

}

At this point, the study on "how to get the ID number of all the children and grandchildren of the PHP column" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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