(Unknown) Returns true if the phar archive can be modified

(PHP >= 5.3.0, PECL phar >= 2.0.0) Extract the contents of a tar/zip archive to a directory

(PHP 5 >= 5.2.0, PHP 7, PECL zip >= 1.1.0) Add a file to a ZIP archive using its contents

(PHP >= 5.3.0, PECL phar >= 2.0.0) Construct a phar archive from the files within a directory.

(PHP 5 >= 5.2.0, PHP 7, PECL zip >= 1.4.0) Set the comment of an entry defined by its index

(PHP >= 5.3.0, PECL phar >= 2.0.0) dummy function (Phar::setStub is not valid for PharData)

(PHP >= 5.3.0, PECL phar >= 1.0.0) Returns CRC32 code or throws an exception if CRC has not been verified

(PHP >= 5.3.0, PECL phar >= 1.0.0) Start buffering Phar write operations, do not modify the Phar object

(PHP >= 5.3.0, PECL phar >= 2.0.0) Add a file from the filesystem to the tar/zip archive

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Compress a string into bzip2 encoded data