string getIncrementalErrorOutput() Returns the errorOutput incrementally. In comparison

array getDescriptors() Returns an array of descriptors for the use of proc_open.

class ProcessPipes ProcessPipes manages descriptors and pipes for the use of proc_open.

float|null getTimeout() Gets the process timeout (max. runtime).

ProcessBuilder add(string $argument)

null|int getExitCode() Returns the exit code returned by the process.

ProcessBuilder enableOutput()

Process setWorkingDirectory(string $cwd)

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

string getOutput() Returns the current output of the process (STDOUT).