(PECL eio >= 0.0.1dev) Set minimum parallel thread number

(PECL expect >= 0.1.0) Execute command via Bourne shell, and open the PTY stream to the process

(PECL pthreads >= 2.0.0) Submits an object for execution

(PECL eio >= 0.0.1dev) Polls libeio until all requests proceeded

(PHP 4, PHP 5, PHP 7) Determine if a file descriptor is an interactive terminal

(PECL libevent >= 0.0.4) Set or reset callbacks for a buffered event

(PECL eio >= 0.0.1dev) Read from a file descriptor at given offset.

(PECL pthreads >= 2.0.0) Identification public

(PHP 4, PHP 5, PHP 7) Return login name string

(PECL eio >= 0.0.1dev) Returns number of requests to be processed