MarsSeed [1] filed a deletion request for php-net-ipv6 [2]: Broken. Upstream discontinued; last (beta) release was in 2018. [a] Seems it is not compatible even with PHP 7.4. [b] But also no longer seems to be needed by anyone or any package on AUR. [a]: https://pear.php.net/package/Net_IPv6 [b]: https://pear.php.net/bugs/bug.php?id=27795 [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/php-net-ipv6/