(PHP 5 >= 5.3.0, PHP 7) Remove previously set headers

(PHP 4, PHP 5, PHP 7) Encodes data with MIME base64

(PECL geoip >= 0.2.0) Returns the detailed City information found in the GeoIP Database

(PHP 4, PHP 5, PHP 7) Send a cookie bool setcookie

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Returns the last error on the socket

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

(PECL ssh2 >= 0.9.0) Authenticate over SSH using a plain password

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Clean (erase) the output buffer

(PHP 4, PHP 5, PHP 7) Alias of

(PECL ssh2 >= 0.9.0) Authenticate as "none"