(PHP 4 >= 4.0.4, PHP 5, PHP 7) Returns a bzip2 error string

(PHP >= 5.3.0, PECL phar >= 1.0.0) Reads the currently executed file (a phar) and registers its manifest

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

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Inflate a deflated string

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

(PHP >= 5.3.0, PECL phar >= 1.0.0) Returns whether the entry is compressed using bzip2

(PHP >= 5.3.0, PECL phar >= 2.0.0) Construct a tar or zip archive from an iterator.

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Create a gzip compressed string

(PHP 4 >= 4.1.0, PHP 5 >= 5.2.0, PHP 7, PECL zip >= 1.0.0) Close a directory entry

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