gistfile1.vim

function! s:model()
  if exists('s:model')
    return s:model
  endif
  
  let s:model = {}
  function! s:model.name() dict
    return 'hoge'
  endfunction

  function! s:model.extension() dict
    return '.php'
  endfunction

  return s:model
endfuction

function! s:view()
  if exists('s:view')
    return s:view
  endif
  
  let s:view = {}
  function! s:view.name() dict
    return 'fuga'
  endfunction

  function! s:view.extension() dict
    return '.class.php'
  endfunction

  return s:view
endfuction

# s:model().name()
# s:view().name()