(PHP 4, PHP 5, PHP 7) Decodes URL-encoded string

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

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

(PHP 5 >= 5.5.0, PHP 7) Read a message int

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

(PECL ssh2 >= 0.9.0) Rename a remote file

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

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