posix_getpgid

posix_getpgid

Get process group id for job control

 **posix_getpgid** int $process_id

Returns the process group identifier of the process return.falseforfailure. process_id

process_idThe process id.

Returns the identifier, as an . int

**Voorbeeld: Example use of **

<?php
$pid = posix_getppid();
echo posix_getpgid($pid); //35
?>

Opmerking: > This is a not POSIX function, but is common on BSD and System V systems. If the system does not support this function, then it will not be included at compile time. This may be checked with . function_exists

posix_getppid