public function validateValues()
{
$return = array();
// do we have any arguments at all?
if (!$this->definition->testHasArgument()) {
// no, so impossible to fail validation
return $return;
}
// are all the arguments valid?
foreach ($this->values as $value) {
$errors = $this->definition->arg->testIsValid($value);
if (count($errors) > 0) {
$return = array_merge($return, $errors);
}
}
// all done
return $return;
}
