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Linux cesa-www-main 6.1.0-49-cloud-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.174-1 (2026-05-26) x86_64
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Name	Size	Permission	Date
Exception	[ DIR ]	drwxr-sr-x	2024-02-14 08:51
Map	[ DIR ]	drwxr-sr-x	2023-05-21 12:05
Tool	[ DIR ]	drwxr-sr-x	2023-05-21 12:05
AbstractArray.php	4.27 KB	-rw-r--r--	2025-12-08 10:53
AbstractCollection.php	11.02 KB	-rw-r--r--	2025-12-08 10:53
AbstractSet.php	1.4 KB	-rw-r--r--	2025-12-08 10:53
ArrayInterface.php	1.04 KB	-rw-r--r--	2025-12-08 10:53
Collection.php	2.26 KB	-rw-r--r--	2025-12-08 10:53
CollectionInterface.php	8.94 KB	-rw-r--r--	2025-12-08 10:53
DoubleEndedQueue.php	4.19 KB	-rw-r--r--	2025-12-08 10:53
DoubleEndedQueueInterface.php	10.12 KB	-rw-r--r--	2025-12-08 10:53
GenericArray.php	512 B	-rw-r--r--	2025-12-08 10:53
Queue.php	3.58 KB	-rw-r--r--	2025-12-08 10:53
QueueInterface.php	7.22 KB	-rw-r--r--	2025-12-08 10:53
Set.php	1.53 KB	-rw-r--r--	2025-12-08 10:53
Sort.php	621 B	-rw-r--r--	2025-12-08 10:53

Rename

<?php

/**
 * This file is part of the ramsey/collection library
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
 * @license http://opensource.org/licenses/MIT MIT
 */

declare(strict_types=1);

namespace Ramsey\Collection;

/**
 * This class contains the basic implementation of a collection that does not
 * allow duplicated values (a set), to minimize the effort required to implement
 * this specific type of collection.
 *
 * @template T
 * @extends AbstractCollection<T>
 */
abstract class AbstractSet extends AbstractCollection
{
    public function add(mixed $element): bool
    {
        if ($this->contains($element)) {
            return false;
        }

// Call offsetSet() on the parent instead of add(), since calling
        // parent::add() will invoke $this->offsetSet(), which will call
        // $this->contains() a second time. This can cause performance issues
        // with extremely large collections. For more information, see
        // https://github.com/ramsey/collection/issues/68.
        parent::offsetSet(null, $element);

return true;
    }

public function offsetSet(mixed $offset, mixed $value): void
    {
        if ($this->contains($value)) {
            return;
        }

parent::offsetSet($offset, $value);
    }
}