vim: improve php keywordprg setup.
vim: improve php keywordprg setup.

Fix/simplify OpenPhpFunction function.

scorpiovn/dotfiles,blueyed/dotfiles,blueyed/dotfiles,scorpiovn/dotfiles,scorpiovn/dotfiles,blueyed/dotfiles,scorpiovn/dotfiles,scorpiovn/dotfiles,blueyed/dotfiles,blueyed/dotfiles