Process setCommandLine(string $commandline)

start(callable $callback = null) Starts the process and returns after writing the input to STDIN

null|string getExitCodeText() Returns a string representation for the exit code returned by the

Process setEnv(array $env)

Process getProcess()

ProcessBuilder addEnvironmentVariables(array

unblock() Sets non-blocking mode on pipes.

bool isStarted() Checks if the process has been started with no regard to the current state.

Boolean hasOpenHandles() Returns if the current state has open file handles or pipes.

static string escapeArgument(string $argument) Escapes a string to be used as a shell