(PHP 5, PHP 7) Retrieve list of registered socket transports

(PHP 5 >= 5.2.4, PHP 7) Checks if a stream is a local stream

(PHP 4 >= 4.3.2, PHP 5, PHP 7) Flushes the output

(PHP 5 >= 5.4.0, PHP 7) Change stream options

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Sets write file buffering on the given stream

(PHP 5 >= 5.2.0, PHP 7) A callback function for the notification context parameter

(PHP 5, PHP 7) Delete a file public bool streamWrapper::unlink

(PHP 4 >= 4.3.2, PHP 5, PHP 7) Destructs an existing stream wrapper

(PHP 5 >= 5.3.0, PHP 7) Retrieve the underlaying resource

(PHP 4 >= 4.3.2, PHP 5, PHP 7) Tests for end-of-file on a file pointer