(PECL ssh2 >= 0.9.0) Create a directory bool

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Queries the local side of the given socket which may either result in host/port

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Listens for a connection on a socket

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Gets socket options for the socket

(PECL geoip >= 1.1.0) Get the Internet connection speed

(PECL geoip >= 0.2.0) Get the full country name

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Get current buffer contents and delete current output buffer

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Sets socket options for the socket

(PECL ssh2 >= 0.9.0) Authenticate using a public key

(PECL ssh2 >= 0.9.0) Stat a symbolic link