(PECL eio >= 0.0.1dev) Set maximum number of idle threads.

(PECL ev >= 0.2.0) Returns an integer describing the backend used by libev.

(PECL eio >= 0.0.1dev) Change file last access and modification times

(PECL pthreads >= 2.0.0) State Detection public

(PECL ev >= 0.2.0) Return the number of times the default event loop has polled for new events.

(PECL ev >= 0.2.0) Constructs an EvTimer watcher object

(PECL ev >= 0.2.0) Constructs the EvEmbed object

(PHP 4, PHP 5, PHP 7) Set process group id for job control

(PECL eio >= 0.0.1dev) Truncate a file resource

(PHP 4, PHP 5, PHP 7) Get path name of controlling terminal