"in-place", as long as you have the necessary prerequisites available.
Required software:
-* Web server with PHP 5.5.9 or higher.
+* Web server with PHP 7.0.0 or HHVM 3.18.5 or higher.
* A SQL server, the following types are supported
** MySQL 5.5.8 or higher
** PostgreSQL 9.2 or higher
MediaWiki is developed and tested mainly on Unix/Linux platforms, but should
work on Windows as well.
-If your PHP is configured as a CGI plug-in rather than an Apache module you may
-experience problems, as this configuration is not well tested.
-
Support for rendering mathematical formulas requires installing the Math extension,
see https://www.mediawiki.org/wiki/Special:MyLanguage/Extension:Math