Dominik Schilling 9b79c36713 WP_Filesystem: Change WP_Filesystem_FTPext::exists() and WP_Filesystem_ftpsockets::exists() to return true for empty directories. ...

Both methods are using *nlist() which returns a list of files in a given directory or the file itself for a given file. If the result was an empty list we assumed that the file doesn't exists. This includes also cases where $file is actually an empty directory. To prevent this we now check if $file is a directory before returning the result of an empty list.
Other filesystem methods are using `file_exists()` which already checks whether a file or directory exists.

fixes #30815.
Built from https://develop.svn.wordpress.org/trunk@31815


git-svn-id: http://core.svn.wordpress.org/trunk@31797 1a063a9b-81f0-0310-95a4-ce76da25c4cd

2015-03-18 19:22:27 +00:00

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