Vim omnifunc for php api.
Set your .vimrc as follows.
" Vundle
Bundle 'git://github.com:yuratomo/php-api-complete.git'
Set your .vimrc as follows.
au BufNewFile,BufRead *.php setl omnifunc=phpapi#complete
au CompleteDone *.php call phpapi#showRef()
au BufNewFile,BufRead *.php inoremap <expr> <c-down> phpapi#nextRef()
au BufNewFile,BufRead *.php inoremap <expr> <c-up> phpapi#prevRef()
if has("balloon_eval") && has("balloon_multiline")
au BufNewFile,BufRead *.php setl bexpr=phpapi#balloon()
au BufNewFile,BufRead *.php setl ballooneval
endif