diff --git a/mkdocs.yml b/mkdocs.yml
index 8e5b6fdb36bd71ed155305bfafe5b23b0dbc7526..ccccb4334b6ee588d1a5de7ad0942aaecdd31968 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -7,10 +7,19 @@ markdown_extensions:
   - attr_list
   - admonition
   - def_list
-  - codehilite(guess_lang=false)
-  - toc(permalink=true)
-  - pymdownx.superfences
-  - pymdownx.inlinehilite
+  - toc:
+      permalink: true
+  - pymdownx.highlight:
+      guess_lang: true
+      extend_pygments_lang:
+        - name: php
+          lang: php
+          options:
+            startinline: true
+  - pymdownx.superfences:
+      css_class: codehilite
+  - pymdownx.inlinehilite:
+      css_class: codehilite
   - pymdownx.tilde
   - pymdownx.betterem
   - pymdownx.mark