/**
* Validate that all required fields have been entered.
*/
private function validate_required_fields()
{
$errors = array();
foreach (array_keys($this->_required_fields) as $field) {
$value = $this->get_field_value($field);
if (!validate::required($value)) {
$errors[$field] = 'Required';
}
}
return $errors;
}
