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in concrete5 you can create an alias if you want a page to appear at two different locations. If you look at the following site structure, you can see that we have two categories and two different services we’d like to offer.

For whatever reason, we’d like to make sure that our main service shows up beneath both categories. It’s physical location is right under the first category but how do we add an alias underneath the second category? In the UI this is super easy, just drag the service to the second category and release the mouse button – a dialog will show up where you can select that you want to create an alias and that’s it! But how do we the same using code? It’s also pretty simple:

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<?php
$pageToAlias = Page::getByPath('/category-1/service');
$parentOfAlias = Page::getByPath('/category-2');
$newAlias = $pageToAlias->addCollectionAlias($parentOfAlias);

I’ve used Page::getByPath to get both page objects but you can of course use Page::getByID or anything else that returns a valid page object. As soon as you’ve run this code, you’ll have an alias in your sitemap like that: