pgpc接口如何添加

書名： concrete5 Cookbook
作者名： David Strack
本章字數： 195字
更新時間： 2021-08-13 16:15:59

Getting the children below a page

If you need to access the children of a page, you can have concrete5 return an array of numerical IDs. These IDs can then be used to load each of the Page objects individually.

How to do it...

The steps for getting the children below a page are as follows:

Open /config/site_post.php in your preferred code editor.
Load the parent page by its ID.
```
$page = Page::getByID(1);
```

Get the array of child IDs.

$children = $page->getCollectionChildrenArray();

Loop through the child ID array and output the name of each page.

foreach ($children as $childId) {
  $child = Page::getByID($childId);
  echo $child->getCollectionName().'<br />';
}

Exit the process.
```
exit;
```

How it works...

concrete5 will return an array of numeric IDs for each of the pages beneath the parent page. In this example, we loaded the home page, so the result should be a list of every page on the website. This function ignores permissions, and can be taxing on the database if there are a lot of pages to load. It is a better idea to use the PageList class to loop through pages, and that class is described later on in this chapter.

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concrete5 Cookbook

Getting the children below a page

How to do it...

How it works...