Update php layer document

autoload/SpaceVim/layers/lang/php.vim

@@ -41,6 +41,10 @@ endfunction
 function! SpaceVim#layers#lang#php#config() abort
   call SpaceVim#mapping#space#regesit_lang_mappings('php',
         \ funcref('s:on_ft'))
+  if SpaceVim#layers#lsp#check_filetype('php')
+    call SpaceVim#mapping#gd#add('php',
+          \ function('SpaceVim#lsp#go_to_def'))
+  endif
 
 endfunction
 

docs/layers/lang/php.md

@@ -8,6 +8,7 @@ description: "This layer adds PHP language support to SpaceVim"
 <!-- vim-markdown-toc GFM -->
 
 - [Description](#description)
+- [Features](#features)
 - [Layer Installation](#layer-installation)
   - [Requirement](#requirement)
 
@@ -17,9 +18,17 @@ description: "This layer adds PHP language support to SpaceVim"
 
 This layer adds PHP language support to SpaceVim.
 
+## Features
+
+- auto-completion
+- syntax checking
+- goto definition
+- refernce finder
+- lsp support (require [lsp](https://spacevim.org/layers/language-server-protocol/) layer)
+
 ## Layer Installation
 
-To use this configuration layer, add `SPLayer 'lang#php'` to your custom configuration file.
+To use this configuration layer, add `call SpaceVim#layers#load('lang#php')` to your custom configuration file.
 
 ### Requirement
 
@@ -27,3 +36,4 @@ To use this configuration layer, add `SPLayer 'lang#php'` to your custom configu
 2.  [PCNTL](http://php.net/manual/en/book.pcntl.php) Extension
 3.  [Msgpack 0.5.7+(for NeoVim)](https://github.com/msgpack/msgpack-php) Extension or [JSON(for Vim 7.4+)](http://php.net/manual/en/intro.json.php) Extension
 4.  [Composer](https://getcomposer.org/) Project
+