closeUnixPipes() Closes Unix pipes. Nothing happens in case file handles are used.

int|null getPid() Returns the Pid (process identifier), if applicable.

float|null getIdleTimeout() Gets the process idle timeout (max. time since last output).

ProcessBuilder enableOutput()

ProcessBuilder setTimeout(float|null $timeout)

int stop(int|float $timeout = 10, int $signal = null) Stops the process.

Process setTty(bool $tty)

Process setTimeout(int|float|null $timeout)

string getStatus() Gets the process status. The status is one of: ready, started, terminated

bool hasBeenSignaled() Returns true if the child process has been terminated by an uncaught signal