posix_getsid
PHP 4, PHP 5, PHP 7, PHP 8
posix_getsid - Get the current sid of the process
Manual
posix_getsid(
int$process_id ): int|false
Return the session id of the process process_id. The session id of a process is the process group id of the session leader.
Parameters
- process_id
-
The process identifier. If set to 0, the current process is assumed. If an invalid process_id is specified, then false is returned and an error is set which can be checked with posix_get_last_error.
Return Values
Returns the identifier, as an int, or false on failure.