Starting with MediaWiki 1.2.0, it's possible to install and configure the wiki
"in-place", as long as you have the necessary prerequisites available.
-Required software:
-* Web server with PHP 7.0.0 or HHVM 3.18.5 or higher.
+Required software as of MediaWiki 1.34.0:
+
+* Web server with PHP 7.0.13 or higher, plus the following extesnsions:
+** ctype
+** dom
+** fileinfo
+** iconv
+** json
+** mbstring
+** xml
* A SQL server, the following types are supported
** MySQL 5.5.8 or higher
** PostgreSQL 9.2 or higher