(PECL libevent >= 0.0.5) Assign a priority to an event.

(PECL libevent >= 0.1.0) Reinitialize the event base after a fork

(PECL ev >= 0.2.0) Constructs EvPeriodic watcher object

(PECL ev >= 0.2.0) Sets new callback for the watcher

(PECL ev >= 0.2.0) Create stopped EvEmbed watcher object

(PECL ev >= 0.2.0) Returns the values most recently detected by Ev

(PECL ev >= 0.2.0) Returns the absolute time that this watcher is supposed to trigger next

(PECL pthreads >= 2.0.0) Synchronization public

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

(PHP 4, PHP 5, PHP 7) Escape shell metacharacters