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148 lars 1 
<?php
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/*
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 * This file is part of the Symfony package.
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 *
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 * (c) Fabien Potencier <fabien@symfony.com>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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namespace Symfony\Component\VarDumper\Caster;
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use Symfony\Component\VarDumper\Cloner\Stub;
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/**
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 * Casts a caster's Stub.
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 *
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 * @author Nicolas Grekas <p@tchwork.com>
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 *
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 * @final
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 */
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class StubCaster
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{
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    public static function castStub(Stub $c, array $a, Stub $stub, bool $isNested)
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    {
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        if ($isNested) {
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            $stub->type = $c->type;
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            $stub->class = $c->class;
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            $stub->value = $c->value;
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            $stub->handle = $c->handle;
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            $stub->cut = $c->cut;
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            $stub->attr = $c->attr;
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            if (Stub::TYPE_REF === $c->type && !$c->class && \is_string($c->value) && !preg_match('//u', $c->value)) {
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                $stub->type = Stub::TYPE_STRING;
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                $stub->class = Stub::STRING_BINARY;
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            }
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            $a = [];
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        }
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        return $a;
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    }
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    public static function castCutArray(CutArrayStub $c, array $a, Stub $stub, bool $isNested)
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    {
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        return $isNested ? $c->preservedSubset : $a;
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    }
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    public static function cutInternals($obj, array $a, Stub $stub, bool $isNested)
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    {
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        if ($isNested) {
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            $stub->cut += \count($a);
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            return [];
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        }
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        return $a;
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    }
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    public static function castEnum(EnumStub $c, array $a, Stub $stub, bool $isNested)
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    {
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        if ($isNested) {
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            $stub->class = $c->dumpKeys ? '' : null;
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            $stub->handle = 0;
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            $stub->value = null;
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            $stub->cut = $c->cut;
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            $stub->attr = $c->attr;
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            $a = [];
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            if ($c->value) {
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                foreach (array_keys($c->value) as $k) {
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                    $keys[] = !isset($k[0]) || "\0" !== $k[0] ? Caster::PREFIX_VIRTUAL.$k : $k;
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                }
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                // Preserve references with array_combine()
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                $a = array_combine($keys, $c->value);
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            }
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        }
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        return $a;
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    }
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}