Yu1709$!%yuyu!$%wutu!5=126+

                
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/___/\  \/____  >____/\____/ \/\_/  
      \_/     \/    @ligmakokz

Editing: Queue.php

<?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;

use Ramsey\Collection\Exception\InvalidArgumentException;
use Ramsey\Collection\Exception\NoSuchElementException;
use Ramsey\Collection\Tool\TypeTrait;
use Ramsey\Collection\Tool\ValueToStringTrait;

/**
 * This class provides a basic implementation of `QueueInterface`, to minimize
 * the effort required to implement this interface.
 *
 * @template T
 * @extends AbstractArray<T>
 * @implements QueueInterface<T>
 */
class Queue extends AbstractArray implements QueueInterface
{
    use TypeTrait;
    use ValueToStringTrait;

/**
     * The type of elements stored in this queue.
     *
     * A queue's type is immutable once it is set. For this reason, this
     * property is set private.
     *
     * @var string
     */
    private $queueType;

/**
     * The index of the head of the queue.
     *
     * @var int
     */
    protected $index = 0;

/**
     * Constructs a queue object of the specified type, optionally with the
     * specified data.
     *
     * @param string $queueType The type (FQCN) associated with this queue.
     * @param array<array-key, T> $data The initial items to store in the collection.
     */
    public function __construct(string $queueType, array $data = [])
    {
        $this->queueType = $queueType;
        parent::__construct($data);
    }

/**
     * {@inheritDoc}
     *
     * Since arbitrary offsets may not be manipulated in a queue, this method
     * serves only to fulfill the `ArrayAccess` interface requirements. It is
     * invoked by other operations when adding values to the queue.
     */
    public function offsetSet($offset, $value): void
    {
        if ($this->checkType($this->getType(), $value) === false) {
            throw new InvalidArgumentException(
                'Value must be of type ' . $this->getType() . '; value is '
                . $this->toolValueToString($value)
            );
        }

$this->data[] = $value;
    }

/**
     * @inheritDoc
     */
    public function add($element): bool
    {
        $this[] = $element;

return true;
    }

/**
     * @inheritDoc
     */
    public function element()
    {
        $element = $this->peek();

if ($element === null) {
            throw new NoSuchElementException(
                'Can\'t return element from Queue. Queue is empty.'
            );
        }

return $element;
    }

/**
     * @inheritDoc
     */
    public function offer($element): bool
    {
        try {
            return $this->add($element);
        } catch (InvalidArgumentException $e) {
            return false;
        }
    }

/**
     * @inheritDoc
     */
    public function peek()
    {
        if ($this->count() === 0) {
            return null;
        }

return $this[$this->index];
    }

/**
     * @inheritDoc
     */
    public function poll()
    {
        if ($this->count() === 0) {
            return null;
        }

$head = $this[$this->index];

unset($this[$this->index]);
        $this->index++;

return $head;
    }

/**
     * @inheritDoc
     */
    public function remove()
    {
        $head = $this->poll();

if ($head === null) {
            throw new NoSuchElementException('Can\'t return element from Queue. Queue is empty.');
        }

return $head;
    }

public function getType(): string
    {
        return $this->queueType;
    }
}

Name	Type	Actions
Exception	Directory
Map	Directory
Tool	Directory
AbstractArray.php	File
AbstractCollection.php	File
AbstractSet.php	File
ArrayInterface.php	File
Collection.php	File
CollectionInterface.php	File
DoubleEndedQueue.php	File
DoubleEndedQueueInterface.php	File
GenericArray.php	File
Queue.php	File
QueueInterface.php	File
Set.php	File
error_log	File