/**
* Set the format of the text entered by the candidate.
*
* @param integer $format A value from the TextFormat enumeration.
* @throws InvalidArgumentException If $format is not a value from the TextFormat enumeration.
*/
public function setFormat($format)
{
if (in_array($format, TextFormat::asArray()) === true) {
$this->format = $format;
} else {
$msg = "The 'format' argument must be a value from the TextFormat enumeration, '" . gettype($format) . "' given.";
throw new InvalidArgumentException($msg);
}
}
