(PECL eio >= 0.0.1dev) Cancels a request void

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

(PHP 4, PHP 5, PHP 7) Return info about a group by name

(PECL ev >= 0.2.0) Returns recursion depth

(PHP 4 >= 4.1.0, PHP 5, PHP 7) Returns the return code of a terminated child

(PECL sync >= 1.0.0) Waits for a read lock

(PECL ev >= 0.2.0) Performs internal consistency checks(for debugging)

(PECL pthreads >= 2.0.0) State Detection public

(PECL pthreads >= 2.0.0) Create a Condition

(PECL ev >= 0.2.0) Returns the current time in fractional seconds since the epoch.