respect-validation/library/Respect/Validation/Exceptions/AttributeException.php

<?php

namespace Respect\Validation\Exceptions;

class AttributeException extends AbstractRelatedException
{

    public static $defaultTemplates = array(
        '"%2$s" is not present',
        '"%2$s" is invalid',
    );

    public function chooseTemplate($input, $attributeName, $hasTheAttribute)
    {
        if (!$hasTheAttribute)
            return 0;
        else
            return 1;
    }

}