(PECL varnish >= 0.3) Connect to a varnish instance administration interface

(PECL gearman <= 0.5.0) Send a warning (deprecated)

(PECL chdb >= 0.1.0) Gets the value associated with a key

(PECL event >= 1.2.6-beta) Returns string describing the last failed DNS lookup attempt

(PHP 4, PHP 5 < 5.2.0, PECL hwapi SVN) Returns description of reason

(PECL gearman >= 0.5.0) Get the status for the running task

(PHP 4, PHP 5, PHP 7) Renames a file or a directory on the FTP server

(PECL event >= 1.2.6-beta) Sets maximum header size

(PECL svn >= 0.1.0) Returns the version of the SVN client libraries

(PECL varnish >= 0.3) Stop varnish worker process