https://thenextweb.com/offers/2020/01/31/php-is-a-coding-skill-every-programmer-needs-to-know-learn-it-now-for-under-30/

TLDR: The Essential PHP Coding Bundle unlocks all the secrets of this cornerstone web discipline, all for just $29.99.

PHP sprang up in the mid-90s, satisfying the needs of programmers looking for more dynamic web performance and server-side power. PHP was in the right place at the right time; and now, you’d be hard-pressed to find a popular website or app that doesn’t have PHP scripting throughout its DNA.