public function getHelp()
{
$output = null;
foreach ($this->_commandArray as $commandKey => $commandValue) {
$output .= str_pad($commandKey, 30) . $commandValue['description'] . PHP_EOL;
foreach ($commandValue['argumentArray'] as $argumentKey => $argumentValue) {
$output .= ' ' . str_pad($argumentKey, 30) . $argumentValue['description'] . PHP_EOL;
foreach ($argumentValue['optionArray'] as $optionKey => $optionValue) {
$output .= ' --' . str_pad($optionKey, 28) . $optionValue['description'] . PHP_EOL;
}
}
}
return $output;
}