Map.php

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<?php
 
declare(strict_types=1);
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
namespace ‪TYPO3\CMS\Core\Type;
 
final class ‪Map implements \ArrayAccess, \Countable, \Iterator
{
    private \SplObjectStorage ‪$storage;
 
    public static function ‪fromEntries(array ...$entries): self
    {
        $map = new self();
        foreach ($entries as $entry) {
            $map[$entry[0]] = $entry[1];
        }
        return $map;
    }
 
    public function ‪__construct()
    {
        $this->storage = new \SplObjectStorage();
    }
 
    public function ‪key(): mixed
    {
        return $this->storage->current();
    }
 
    public function ‪current(): mixed
    {
        return $this->storage->getInfo();
    }
 
    public function ‪next(): void
    {
        $this->storage->next();
    }
 
    public function ‪rewind(): void
    {
        $this->storage->rewind();
    }
 
    public function ‪valid(): bool
    {
        return $this->storage->valid();
    }
 
    public function ‪offsetExists(mixed $offset): bool
    {
        return $this->storage->offsetExists($offset);
    }
 
    public function ‪offsetGet(mixed $offset): mixed
    {
        if (!$this->‪offsetExists($offset)) {
            return null;
        }
        return $this->storage->offsetGet($offset);
    }
 
    public function ‪offsetSet(mixed $offset, mixed $value): void
    {
        $this->storage->offsetSet($offset, $value);
    }
 
    public function ‪offsetUnset(mixed $offset): void
    {
        $this->storage->offsetUnset($offset);
    }
 
    public function ‪count(): int
    {
        return ‪count($this->storage);
    }
}