public function validation($data, $files)
{
$errors = parent::validation($data, $files);
if (array_key_exists('number', $data)) {
$numbers = $data['number'];
} else {
$numbers = array();
}
foreach ($numbers as $key => $number) {
if (!is_numeric($number)) {
if (stristr($number, ',')) {
$errors['number[' . $key . ']'] = get_string('nocommaallowed', 'qtype_calculated');
} else {
$errors['number[' . $key . ']'] = get_string('notvalidnumber', 'qtype_calculated');
}
} else {
if (stristr($number, 'x')) {
$a = new stdClass();
$a->name = '';
$a->value = $number;
$errors['number[' . $key . ']'] = get_string('hexanotallowed', 'qtype_calculated', $a);
} else {
if (is_nan($number)) {
$errors['number[' . $key . ']'] = get_string('notvalidnumber', 'qtype_calculated');
}
}
}
}
if (empty($data['definition'])) {
$errors['selectadd'] = get_string('youmustaddatleastonevalue', 'qtype_calculatedsimple');
}
return $errors;
}
public function validation($data, $files) {
$errors = parent::validation($data, $files);
if (empty($data['definition'])) {
$errors['selectadd'] = get_string('youmustaddatleastonevalue', 'qtype_calculatedsimple');
}
return $errors;
}
