/**
* Allows X on length of 8 chars
*
* @param string $value The barcode to check for allowed characters
* @return boolean
*/
public function checkChars($value)
{
if (strlen($value) != 8) {
if (strpos($value, 'X') !== false) {
return false;
}
}
return parent::checkChars($value);
}
/**
* Allows start and stop tag within checked chars
*
* @param string $value The barcode to check for allowed characters
* @return boolean
*/
public function checkChars($value)
{
if ($value[0] == '(') {
$value = substr($value, 1);
if ($value[strlen($value) - 1] == ')') {
$value = substr($value, 0, -1);
} else {
return false;
}
}
return parent::checkChars($value);
}
