(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
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