(PECL svn >= 0.3.0)
svn_revert — Revert changes to the working copy
$path, bool $recursive = false): boolRevert any local changes to the path in a working copy.
pathThe path to the working repository.
recursiveOptionally make recursive changes.
成功時(shí)返回 true， 或者在失敗時(shí)返回 false。