(PECL geoip >= 0.2.0) Get the two letter country code

(PECL geoip >= 0.2.0) Get GeoIP Database information

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

(PHP 5, PHP 7) Send a cookie without urlencoding the cookie value

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

(PHP 4, PHP 5, PHP 7) Extracts all meta tag content attributes from a file and returns an array

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

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

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

(PHP 4, PHP 5, PHP 7) Get port number associated with an Internet service and protocol