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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\Translation\Provider;
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use Symfony\Component\Translation\Exception\InvalidArgumentException;
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/**
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 * @author Mathieu Santostefano <msantostefano@protonmail.com>
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 */
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final class TranslationProviderCollection
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{
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    /**
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     * @var array<string, ProviderInterface>
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     */
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    private $providers;
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    /**
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     * @param array<string, ProviderInterface> $providers
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     */
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    public function __construct(iterable $providers)
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    {
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        $this->providers = \is_array($providers) ? $providers : iterator_to_array($providers);
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    }
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    public function __toString(): string
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    {
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        return '['.implode(',', array_keys($this->providers)).']';
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    }
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    public function has(string $name): bool
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    {
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        return isset($this->providers[$name]);
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    }
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    public function get(string $name): ProviderInterface
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    {
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        if (!$this->has($name)) {
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            throw new InvalidArgumentException(sprintf('Provider "%s" not found. Available: "%s".', $name, (string) $this));
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        }
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        return $this->providers[$name];
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    }
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    public function keys(): array
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    {
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        return array_keys($this->providers);
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    }
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}