Sanitize the value for output.
$value: The value being rendered.
$type: The type of sanitization needed. If not provided, check_plain() is used.
string Returns the safe value.
protected function sanitizeValue($value, $type = NULL) {
switch ($type) {
case 'xss':
$value = filter_xss($value);
break;
case 'xss_admin':
$value = filter_xss_admin($value);
break;
case 'url':
$value = check_url($value);
break;
default:
$value = check_plain($value);
break;
}
return $value;
}