(PHP 4 >= 4.1.0, PHP 5, PHP 7) Write to a socket

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

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

(PHP 5 >= 5.4.0, PHP 7) Get or Set the HTTP response code

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

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

(PECL ssh2 >= 0.9.0) Rename a remote file

(PECL geoip >= 1.0.4) Returns the region name for some country and region code combo

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Shuts down a socket for receiving, sending, or both

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Opens a socket on port to accept connections