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# posix_getpgid

(3.0.10 - 3.0.18 only, PHP 4 >= 4.0.0)

posix_getpgid -- Get process group id for job control

## Description

``int posix_getpgid` (int pid)`

Returns the process group identifier of the process `pid`.

This is not a POSIX function, but is common on BSD and System V systems. If your system does not support this function at system level, this PHP function will always return `FALSE`.

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