diff --git a/.gitmodules b/.gitmodules
index fc84537..f12153b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -19,3 +19,6 @@
 [submodule "emacs.d/elisp/lua-mode"]
 	path = emacs.d/elisp/lua-mode
 	url = https://github.com/immerrr/lua-mode.git
+[submodule "emacs.d/elisp/pi-php-mode"]
+	path = emacs.d/elisp/pi-php-mode
+	url = git://piprime.fr/emacs/pi-php-mode.git
diff --git a/emacs.d/elisp/pi-php-mode b/emacs.d/elisp/pi-php-mode
new file mode 160000
index 0000000..4fceb90
--- /dev/null
+++ b/emacs.d/elisp/pi-php-mode
@@ -0,0 +1 @@
+Subproject commit 4fceb90f2882b99e7c15ce6f3b6573fe3fa0940e