(PECL ssh2 >= 0.9.0) Rename a remote file

(PECL geoip >= 0.2.0) Get the country code and region

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Flush (send) the output buffer

(PHP 4, PHP 5, PHP 7) Decodes data encoded with MIME base64

(PHP 5, PHP 7) Fetch DNS Resource Records associated with a hostname

(PECL geoip >= 1.0.1) Returns detailed information about all GeoIP database types

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Receives data from a connected socket

(PECL ssh2 >= 0.9.0) Open a tunnel through a remote server

(PHP 4, PHP 5, PHP 7) Get protocol number associated with protocol name

(PECL ssh2 >= 0.9.0) Request an interactive shell