Arul Prasad J

This is a lightweight WordPress plugin that displays the current running PHP/MySQL version inside “At a Glance” admin dashboard widget.
Plugin uses standard actions and filters only. (No jQuery used)
If you love this plugin, <a href="https://paypal.me/arulprasadj?locale.x=en_GB" rel="nofollow ugc">buy me a cup of coffee</a>

WP PHP Version Display

Displays the current running PHP/MySQL version inside "At a Glance" admin dashboard widget.

Rene Maurer

This plugin show the current versions from WordPress | PHP | Theme | Webserver | MySQL in the Backend Dashboard footer.
<ul>
<li>WordPress version installed</li>
<li>PHP version from your Hoster</li>
<li>Theme and Child Theme</li>
<li>Web Server from your Hoster</li>
<li>MySQL version from your Hoster</li>
</ul>

WP Server & Theme Info

Show the current versions from WordPress | PHP | Theme | Webserver | MySQL in the Backend Dashboard footer.

WP PHP Version Display vs WP Server & Theme Info