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Error: Call to a member function getChild()


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Hello, I am trying to modify the client sidebar using the following code:


use WHMCS\View\Menu\Item as MenuItem;

add_hook('ClientAreaPrimarySidebar', 1, function(MenuItem $primarySidebar)
    $primarySidebar->getChild("My Account")
        ->getChild("Billing Information")
        ->setLabel("Custom Text Here");

But when I reload client area I get this error:

Error: Call to a member function getChild() on null in .....


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the problem with that hook is that you're not first checking whether what you want to modify exists on the current page before trying to modify it - so I imagine it would work fine on a page where that sidebar child exists, but fail on every other page.

but if all you're wanting to do is change a label on a default sidebar child, then you don't need to use a hook for that, you can use Language Overrides instead.

$_LANG['sidebars']['viewAccount']['billingInformation'] = "Billing Information";

just follow the instructions in the docs to create an overrides folder in the /lang file and add your changes to that string for each language within their own file in that new folder.

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