got a Parse error webform.install in drupal 7
It's a bug in eAccelerator, which has been (apparently) been fixed. Webform requires PHP 5.3. The affected version of eAccelerator doesn't support all of PHP 5.3 -- specifically anonymous functions.

eAccelerator is not a "default setting" of a server. It is add-on software (presumably added by a host company, and not kept up-to-date).

you can follow this link on drupal website which touch the same issue