02-list.php

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<?php
/* Copyright (c) 1998-2019 ILIAS open source, Extended GPL, see docs/LICENSE */

function toList()
{
    global $DIC;

    $refinery = $DIC->refinery();

    $transformation = $refinery->to()->listOf(new \ILIAS\Refinery\To\Transformation\IntegerTransformation());

    $result = $transformation->transform(array(5, 1, 4));

    return assert(array(5, 1, 4) === $result);
}