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<?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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* @author Jan Schädlich <jan.schaedlich@sensiolabs.de>
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*
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* @final
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*/
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class MemcachedCaster
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{
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private static array $optionConstants;
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private static array $defaultOptions;
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public static function castMemcached(\Memcached $c, array $a, Stub $stub, bool $isNested)
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{
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$a += [
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Caster::PREFIX_VIRTUAL.'servers' => $c->getServerList(),
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Caster::PREFIX_VIRTUAL.'options' => new EnumStub(
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self::getNonDefaultOptions($c)
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),
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];
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return $a;
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}
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private static function getNonDefaultOptions(\Memcached $c): array
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{
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self::$defaultOptions ??= self::discoverDefaultOptions();
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self::$optionConstants ??= self::getOptionConstants();
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$nonDefaultOptions = [];
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foreach (self::$optionConstants as $constantKey => $value) {
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if (self::$defaultOptions[$constantKey] !== $option = $c->getOption($value)) {
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$nonDefaultOptions[$constantKey] = $option;
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}
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}
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return $nonDefaultOptions;
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}
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private static function discoverDefaultOptions(): array
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{
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$defaultMemcached = new \Memcached();
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$defaultMemcached->addServer('127.0.0.1', 11211);
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$defaultOptions = [];
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self::$optionConstants ??= self::getOptionConstants();
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foreach (self::$optionConstants as $constantKey => $value) {
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$defaultOptions[$constantKey] = $defaultMemcached->getOption($value);
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}
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return $defaultOptions;
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}
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private static function getOptionConstants(): array
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{
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$reflectedMemcached = new \ReflectionClass(\Memcached::class);
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$optionConstants = [];
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foreach ($reflectedMemcached->getConstants() as $constantKey => $value) {
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if (str_starts_with($constantKey, 'OPT_')) {
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$optionConstants[$constantKey] = $value;
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}
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}
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return $optionConstants;
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}
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}
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