POSIX Functions
PHP Manual

posix_getpgid

Get process group id for job control

Description

intfalse posix_getpgid(int $process_id)

Returns the process group identifier of the process process_id or false on failure.

Parameters

process_id

The process id.

Return Values

Returns the identifier, as an int.

Examples

Example #1 Example use of posix_getpgid

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

Notes

Note:

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.

See Also

  • posix_getppid
  • man page SETPGID(2)