MarsSeed [1] filed a deletion request for php-zmq [2]: Dead package from 2016. This last release from that year was a beta. [a] Please keep only AUR/php-zmq-git. [b] Upstream only maintains the master branch, without making tagged releases. [a]: https://pecl.php.net/package/zmq [b]: https://aur.archlinux.org/pkgbase/php-zmq-git [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/php-zmq/