(PHP 4 >= 4.3.0, PHP 5, PHP 7) Sets an option for a stream/wrapper/context

(PHP 5 >= 5.3.3, PHP 7) Set read file buffering on the given stream

(PHP 5, PHP 7) Create a directory public bool

(PHP 5, PHP 7) Removes a directory public bool

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Attach a filter to a stream

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Runs the equivalent of the select() system call on the given arrays of streams

(PHP 5, PHP 7) Reads remainder of a stream into a string

(PHP 5 >= 5.4.0, PHP 7) Truncate stream public

(PHP 5, PHP 7) Advisory file locking public bool

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Creates a stream context