Have fun getting junior engineers interested in PHP, an objectively gross language. You'll get a stable system to begin with, but nobody younger than 45 who wants to touch it. It also has a large attack volume and curated security exploits that you buy into when you inevitably use plugins.
This article is about static HTML/CSS/JS. You can accomplish a good, modern CMS in halfway-decent languages using netlify and any static site generator framework you want without making your devs miserable.
See, the beauty of the solution suggested is that no one has to write any PHP (You could probably avoid even seeing any, if that's your goal).
Wordpress does what is required out of the box.
In fact, you don't even require a developer to do it. It's a point and click operation of selecting a theme, installing a cache add-on, add an SEO add-on, and hell, there's probably a "office hours" plugin as well.
If the receptionist isn't a technophobe s/he can probably do it themselves.
If you want to assign resources, get a designer in to make it look pretty. Wordpress has everything else covered.
This article is about static HTML/CSS/JS. You can accomplish a good, modern CMS in halfway-decent languages using netlify and any static site generator framework you want without making your devs miserable.