(PECL ssh2 >= 0.10) Initialize Publickey subsystem

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

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

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

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

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

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

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

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

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