static mixed validateInput(string $caller, mixed $input) Validates and normalizes

string find(string $name, string $default = null, array $extraDirs = array()) Finds an executable

ProcessBuilder setOption(string $name, string

class ProcessBuilder Process builder. Methods

addSuffix(string $suffix) Adds new possible suffix to check for executable.

close() Closes the write buffer.

class AbstractPipes implements

bool haveReadSupport() Returns if pipes are able to read output.

Process disableOutput()

bool hasBeenStopped() Returns true if the child process has been stopped by a signal. It