https://www.php.net/manual/it/class.uri-rfc3986-uri.php
PHP: Uri\Rfc3986\Uri - Manual
The Uri\Rfc3986\Uri class
phpurimanual
https://mailarchive.ietf.org/arch/msg/apps-discuss/UxcvvzGmGg1gguq0OII81rFV9PY/
Re: [apps-discuss] What does it mean? (Re: Scope of RFC3986 and successor - what is a URI?)
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what does it mean