/**
* Filter: removes unnecessary whitespace and shortens value to control's max length.
* @return string
*/
public function sanitize($value)
{
if ($this->control->maxlength && Strings::length($value) > $this->control->maxlength) {
$value = Strings::substring($value, 0, $this->control->maxlength);
}
return Strings::trim(strtr($value, "\r\n", ' '));
}