vendor/symfony/http-foundation/Session/Attribute/NamespacedAttributeBag.php

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<?php

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

namespace Symfony\Component\HttpFoundation\Session\Attribute;

trigger_deprecation('symfony/http-foundation', '5.3', 'The "%s" class is deprecated.', NamespacedAttributeBag::class);

/**
 * This class provides structured storage of session attributes using
 * a name spacing character in the key.
 *
 * @author Drak <drak@zikula.org>
 *
 * @deprecated since Symfony 5.3
 */
class NamespacedAttributeBag extends AttributeBag
{
    private $namespaceCharacter;

    /**
     * @param string $storageKey         Session storage key
     * @param string $namespaceCharacter Namespace character to use in keys
     */
    public function __construct(string $storageKey = '_sf2_attributes', string $namespaceCharacter = '/')
    {
        $this->namespaceCharacter = $namespaceCharacter;
        parent::__construct($storageKey);
    }

    /**
     * {@inheritdoc}
     */
    public function has(string $name)
    {
        // reference mismatch: if fixed, re-introduced in array_key_exists; keep as it is
        $attributes = $this->resolveAttributePath($name);
        $name = $this->resolveKey($name);

        if (null === $attributes) {
            return false;
        }

        return \array_key_exists($name, $attributes);
    }

    /**
     * {@inheritdoc}
     */
    public function get(string $name, $default = null)
    {
        // reference mismatch: if fixed, re-introduced in array_key_exists; keep as it is
        $attributes = $this->resolveAttributePath($name);