(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 hostkey

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

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

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

(PECL ssh2 >= 0.10) Add an authorized publickey

(PHP 4, PHP 5, PHP 7) Get MX records corresponding to a given Internet host name

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

(PHP 4, PHP 5, PHP 7) URL-encodes string string

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