icingaweb2-module-director/library/Director/PropertyModifier/PropertyModifierUppercase.php

<?php

namespace Icinga\Module\Director\PropertyModifier;

use Icinga\Module\Director\Web\Hook\PropertyModifierHook;

class PropertyModifierUppercase extends PropertyModifierHook
{

    public function transform($value)
    {
        return strtoupper($value);
    }

}