posix_getpgid
PHP 4, PHP 5, PHP 7, PHP 8
posix_getpgid - Get process group id for job control
Manual
posix_getpgid(
int$process_id ): int|false
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.
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.