/**
* {@inheritDoc}
*/
public function isOptionalNumeric($value, $suppressException = true)
{
/* Clear the last error. */
$this->lastError = null;
/* If valid just return true. */
if (Validator::isOptionalNumeric($value)) {
return true;
}
/* Set the error message. */
$this->lastError = sprintf('Expected null or numeric, \'%s\' given.', gettype($value));
return $this->validationFailed($suppressException);
}
