sumpygump/vim-php-debugger — comment on commit c570664acaea17af60f2efd0f8c7dcf13cef5ac1
File: plugin/launch-debugger.vim line 7
By sumpygump:

This assumes that the user has a ~/.vim/tmp directory that exists. Mayhap to check first and create it if not already there. What about windows? Maybe use the $HOME value?