(PHP >= 5.3.0, PECL phar >= 1.0.0) Compresses the current Phar entry within the phar using gz compression

(PHP >= 5.3.0, PECL phar >= 2.0.0) Returns Phar::GZ or PHAR::BZ2 if the entire phar archive is compressed

(PHP >= 5.3.0, PECL phar >= 1.0.0) Compresses all files in the current Phar archive using Bzip2 compression

(PHP >= 5.3.0, PECL phar >= 1.0.0) Compresses all files in the current Phar archive using Gzip compression

(PHP >= 5.3.0, PECL phar >= 2.0.0) Construct a non-executable tar or zip archive object

(PHP >= 5.3.0, PECL phar >= 2.0.0) Decompresses the entire Phar archive

(PHP >= 5.3.0, PECL phar >= 1.0.0) Return the PHP loader or bootstrap stub of a Phar archive

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

(Unknown) Defines a list of up to 4 $_SERVER variables that should be modified for execution

(PHP >= 5.3.0, PECL phar >= 1.0.0) Sets phar archive meta-data