function validate()
{
// we must regenerate code if validation fails
$result = parent::validate();
if (!$result) {
unset($_SESSION['S_IMAGE_DECODED']);
$this->generateCode();
}
return $result;
}
function validate()
{
// empty value is allowed
if ($this->value != '') {
if (!is_numeric($this->value)) {
$this->displayFieldError('Not a valid number');
}
if ($this->min !== null && $this->value < $this->min || $this->max !== null && $this->value > $this->max) {
$this->displayFieldError('Number not in valid range');
}
}
return parent::validate();
}