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    <h3>Editing: StubCaster.php</h3>
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/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier &lt;fabien@symfony.com&gt;
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\VarDumper\Caster;

use Symfony\Component\VarDumper\Cloner\Stub;

/**
 * Casts a caster's Stub.
 *
 * @author Nicolas Grekas &lt;p@tchwork.com&gt;
 *
 * @final
 */
class StubCaster
{
    public static function castStub(Stub $c, array $a, Stub $stub, bool $isNested)
    {
        if ($isNested) {
            $stub-&gt;type = $c-&gt;type;
            $stub-&gt;class = $c-&gt;class;
            $stub-&gt;value = $c-&gt;value;
            $stub-&gt;handle = $c-&gt;handle;
            $stub-&gt;cut = $c-&gt;cut;
            $stub-&gt;attr = $c-&gt;attr;

            if (Stub::TYPE_REF === $c-&gt;type &amp;&amp; !$c-&gt;class &amp;&amp; \is_string($c-&gt;value) &amp;&amp; !preg_match('//u', $c-&gt;value)) {
                $stub-&gt;type = Stub::TYPE_STRING;
                $stub-&gt;class = Stub::STRING_BINARY;
            }

            $a = [];
        }

        return $a;
    }

    public static function castCutArray(CutArrayStub $c, array $a, Stub $stub, bool $isNested)
    {
        return $isNested ? $c-&gt;preservedSubset : $a;
    }

    public static function cutInternals($obj, array $a, Stub $stub, bool $isNested)
    {
        if ($isNested) {
            $stub-&gt;cut += \count($a);

            return [];
        }

        return $a;
    }

    public static function castEnum(EnumStub $c, array $a, Stub $stub, bool $isNested)
    {
        if ($isNested) {
            $stub-&gt;class = $c-&gt;dumpKeys ? '' : null;
            $stub-&gt;handle = 0;
            $stub-&gt;value = null;
            $stub-&gt;cut = $c-&gt;cut;
            $stub-&gt;attr = $c-&gt;attr;

            $a = [];

            if ($c-&gt;value) {
                foreach (array_keys($c-&gt;value) as $k) {
                    $keys[] = !isset($k[0]) || &quot;\0&quot; !== $k[0] ? Caster::PREFIX_VIRTUAL.$k : $k;
                }
                // Preserve references with array_combine()
                $a = array_combine($keys, $c-&gt;value);
            }
        }

        return $a;
    }
}
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