(PHP >= 5.3.0, PECL phar >= 2.0.0) Add an empty directory to the tar/zip archive

(PECL rar >= 2.0.0) Test whether an entry represents a directory

(PHP >= 5.3.0, PECL phar >= 2.0.0) Compresses all files in the current Phar archive

(PHP 7, PECL zip >= 1.13.0) Set the compression method of an entry defined by its name

(PECL rar >= 2.0.0) Test whether an entry is encrypted

(PHP 5 >= 5.2.7, PHP 7) Returns the status error message, system and/or zip messages

(PHP 5 >= 5.4.0, PHP 7) Uncompress any raw/gzip/zlib encoded data

(PHP 5 >= 5.2.0, PHP 7, PECL zip >= 1.5.0) Returns the name of an entry using its index

(PECL rar >= 0.1) Get packed size of the entry

(PHP 5 >= 5.2.0, PHP 7, PECL zip >= 1.5.0) delete an entry in the archive using its name