interface PipesInterface PipesInterface manages descriptors and pipes for the use of proc_open

string[] readAndWrite(bool $blocking, bool $close = false) Reads data in file handles and pipes

array getEnv() Gets the environment variables.

int getStopSignal() Returns the number of the signal that caused the child process to stop its

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

Classes

Generator getIterator(int $flags)

write(Boolean $blocking, string|null $stdin) Writes stdin data.

checkTimeout() Performs a check between the timeout definition and the time the process started.

Process clearErrorOutput()