(PECL geoip >= 1.1.0) Get the second level domain name

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

(PECL ssh2 >= 0.9.0) Request an interactive shell

(PECL geoip >= 1.0.1) Determine if GeoIP Database is available

(PECL ssh2 >= 0.9.0) Send a file via SCP bool

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Reset URL rewriter values

(PECL ssh2 >= 0.10) Initialize Publickey subsystem

(PECL ssh2 >= 0.9.0) Connect to an SSH server

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

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Return a string describing a socket error