/**
* Prints the help for current command.
*
* @param string|null $action Action name.
*
* @return void
*/
public function getHelp($action = null)
{
$commandName = $this->getName();
if ($action) {
if (empty($this->_actions[$action])) {
print ConsoleUtil::warningLine("Action '{$action}' not found in this command.");
return;
}
print ConsoleUtil::headLine('Help for "' . $commandName . ' ' . $action . '":');
if (isset($this->_actions[$action]) && isset($this->_actions[$action]['description'])) {
print ConsoleUtil::textLine($this->_actions[$action]['description']);
} else {
print ConsoleUtil::textLine($this->getDescription());
}
$this->printParameters($action);
return;
} else {
print ConsoleUtil::headLine('Help:');
print ConsoleUtil::textLine($this->getDescription());
}
foreach ($this->getActions() as $actionName => $metadata) {
$description = isset($metadata['description']) ? $metadata['description'] : '';
print ConsoleUtil::commandLine($commandName . ' ' . $actionName, $description);
}
print PHP_EOL;
}
