public static function validateCommand($command)
{
try {
list($class, $method, $args) = self::parseCommand($command);
} catch (TaskManagerException $e) {
return false;
}
$args = array_map(function ($elem) {
return trim($elem);
}, $args);
return $class . '::' . $method . '(' . trim(implode(',', $args), ',') . ')';
}