I like to mirror open-source software versions that may be hard to find one day.

PHP

Version Link Signature
5.6.40 https://cdn.x6c.co/tar.gz/php/php-5.6.40.tar.gz
7.4.30 https://cdn.x6c.co/tar.gz/php/php-7.4.30.tar.gz asc
8.0.21 https://cdn.x6c.co/tar.gz/php/php-8.0.21.tar.gz asc
8.1.8 https://cdn.x6c.co/tar.gz/php/php-8.1.8.tar.gz asc

Primes

Prime Link
M82589933 https://cdn.x6c.co/primes/M82589933.txt