(PHP 5 >= 5.1.0, PHP 7) Turns encryption on/off on an already connected socket

(PHP 4 >= 4.3.2, PHP 5, PHP 7) Register a URL wrapper implemented as a PHP class

(PHP 5 >= 5.3.0, PHP 7) Retrieves parameters from a context

(PHP 5, PHP 7) Copies data from one stream to another

(PHP 5 >= 5.4.0, PHP 7) Set the stream chunk size

(No version information available, might only be in Git) Set character set for stream encoding

(PHP 5 >= 5.1.0, PHP 7) Restores a previously unregistered built-in wrapper

(PHP 4 >= 4.3.2, PHP 5, PHP 7) Constructs a new stream wrapper

(PHP 5 >= 5.2.1, PHP 7) Shutdown a full-duplex connection

(PHP 5, PHP 7) Accept a connection on a socket created by