/**
* Display a single value
*
* @param string|array $value
* @return string
*/
public function displayValue($values)
{
if (is_scalar($values) && !empty($this->splitter)) {
$values = explode($this->splitter, $values);
}
$result = '';
$first = true;
$values = (array) $values;
foreach ($values as $value) {
if ($first) {
$first = false;
} else {
$result .= $this->separator;
}
$result .= parent::displayValue($value);
}
return $result;
}