(PHP 4, PHP 5, PHP 7) Return the current process identifier

(PHP 4, PHP 5, PHP 7) Get process times array

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

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

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

(PHP 4, PHP 5, PHP 7) Return the group set of the current process

(PHP 7) Set system resource limits bool posix_setrlimit

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

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

(PHP 4, PHP 5, PHP 7) Return the current process group identifier