add php syntax checker

syntax_checkers/php.vim

@@ -0,0 +1,27 @@
+"============================================================================
+"File:        php.vim
+"Description: Syntax checking plugin for syntastic.vim
+"Maintainer:  Martin Grenfell <martin_grenfell at msn dot com>
+"License:     This program is free software. It comes without any warranty,
+"             to the extent permitted by applicable law. You can redistribute
+"             it and/or modify it under the terms of the Do What The Fuck You
+"             Want To Public License, Version 2, as published by Sam Hocevar.
+"             See http://sam.zoy.org/wtfpl/COPYING for more details.
+"
+"============================================================================
+if exists("loaded_php_syntax_checker")
+    finish
+endif
+let loaded_php_syntax_checker = 1
+
+"bail if the user doesnt have php installed
+if !executable("php")
+    finish
+endif
+
+function! SyntaxCheckers_php_GetLocList()
+    set makeprg=php\ -l\ %
+    set errorformat=%-GNo\ syntax\ errors\ detected\ in%.%#,%-GErrors\ parsing\ %.%#,%-G\\s%#,%EParse\ error:\ syntax\ error\\,\ %m\ in\ %f\ on\ line\ %l,
+    silent lmake!
+    return getloclist(0)
+endfunction