vrchat | Unofficial VRChat API Client | REST library

The json_decode function is returning an associative array. This means that you can append ['bio'] to it and get the value for the bio (or any other value of course). Then just save it in a variable like

$bio = json_decode($apicontent, true)['bio'];

• I see you are using bootstrapp.css
• You dont need justify-content-center unless you are not making the element display flex d-flex

Try one of these:

Here you wrap the button in another form-group and center the button inside that wrapper

Unfortunately, there is no way. The outline is a part of the VRChat client itself, and so you would have to mod your client in order to get the outline to change (which is against the rules, I should add).

Theoretically, a script on all pickup-able GameObjects in the scene would be able to change the outline depending on how the developers created it in the first place; however, as I'm sure you know, scripts are disabled for the time being for safety reasons.

You're not actually appending a path segment there, you're appending an authority. The main behaviors of AppendPathSegment over plain old string concatenation are encoding and ensuring 1 and only 1 / character between segments, which is most likely causing what you're seeing. You don't want or need those behaviors here, so (assuming authority is variable) just use string concatenation: