(PHP 4, PHP 5, PHP 7) Return info about a user by username

(PECL ev >= 0.2.0) Resume previously suspended default event loop

(PECL eio >= 0.0.1dev) Synchronize a file's in-core state with storage device.

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

(PECL libevent >= 0.0.1) Write data to a buffered event

(PECL libevent >= 0.0.1) Read data from a buffered event

(PECL ev >= 0.2.0) Configures the watcher

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Set information in the message queue data structure

(PECL ev >= 0.2.0) Configures the watcher

(PECL ev >= 0.2.0) Create instance of a stopped EvCheck watcher