/**
* {@inheritdoc}
*/
public function guard($value, Field $field)
{
Assertion::string($value, null, $field->getName());
// intentionally using strlen to get byte length, not mb_strlen
$length = strlen($value);
$minLength = $field->getMinLength();
$maxLength = NumberUtils::bound($field->getMaxLength(), $minLength, $this->getMaxBytes());
$okay = $length >= $minLength && $length <= $maxLength;
Assertion::true($okay, sprintf('Field [%s] must be between [%d] and [%d] bytes, [%d] bytes given.', $field->getName(), $minLength, $maxLength, $length), $field->getName());
}
