Install and configure tpope's surround plugin

.gitmodules

@@ -4,3 +4,6 @@
 [submodule "bundle/fugitive"]
 	path = bundle/fugitive
 	url = git://github.com/tpope/vim-fugitive.git
+[submodule "bundle/surround"]
+	path = bundle/surround
+	url = git://github.com/tpope/vim-surround.git

bundle/surround

@@ -0,0 +1 @@
+Subproject commit 27710a2224d6dd0486d1c40d09ef18dd752e7d37

vimrc

@@ -26,3 +26,8 @@ if has("gui_running")
   set co=115
   set lines=40
 endif
+
+" Settings for tpope's surround plugin
+let g:surround_45 = "<% \r -%>"
+let g:surround_61 = "<%= \r %>"
+autocmd FileType php let b:surround_45 = "<?php \r ?>"