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📄 AcceptHeader.php(3.55 KB)
📄 AcceptHeaderItem.php(3.36 KB)
📄 BinaryFileResponse.php(11.78 KB)
📄 CHANGELOG.md(13.59 KB)
📄 Cookie.php(10.97 KB)
📁 Exception
📄 ExpressionRequestMatcher.php(1.32 KB)
📁 File
📄 FileBag.php(3.86 KB)
📄 HeaderBag.php(7.23 KB)
📄 HeaderUtils.php(7.15 KB)
📄 InputBag.php(3.47 KB)
📄 IpUtils.php(5.44 KB)
📄 JsonResponse.php(7.17 KB)
📄 LICENSE(1.04 KB)
📄 ParameterBag.php(5.39 KB)
📄 README.md(531 B)
📄 RedirectResponse.php(3 KB)
📄 Request.php(64.33 KB)
📄 RequestMatcher.php(4.48 KB)
📄 RequestMatcherInterface.php(687 B)
📄 RequestStack.php(2.31 KB)
📄 Response.php(35.98 KB)
📄 ResponseHeaderBag.php(7.82 KB)
📄 ServerBag.php(3.95 KB)
📁 Session
📄 StreamedResponse.php(3.07 KB)
📁 Test
📄 UrlHelper.php(3.03 KB)
📄 composer.json(1.16 KB)

Editing: AcceptHeader.php

<?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;

// Help opcache.preload discover always-needed symbols
class_exists(AcceptHeaderItem::class);

/**
 * Represents an Accept-* header.
 *
 * An accept header is compound with a list of items,
 * sorted by descending quality.
 *
 * @author Jean-François Simon <contact@jfsimon.fr>
 */
class AcceptHeader
{
    /**
     * @var AcceptHeaderItem[]
     */
    private $items = [];

/**
     * @var bool
     */
    private $sorted = true;

/**
     * @param AcceptHeaderItem[] $items
     */
    public function __construct(array $items)
    {
        foreach ($items as $item) {
            $this->add($item);
        }
    }

/**
     * Builds an AcceptHeader instance from a string.
     *
     * @return self
     */
    public static function fromString(?string $headerValue)
    {
        $index = 0;

$parts = HeaderUtils::split($headerValue ?? '', ',;=');

return new self(array_map(function ($subParts) use (&$index) {
            $part = array_shift($subParts);
            $attributes = HeaderUtils::combine($subParts);

$item = new AcceptHeaderItem($part[0], $attributes);
            $item->setIndex($index++);

return $item;
        }, $parts));
    }

/**
     * Returns header value's string representation.
     *
     * @return string
     */
    public function __toString()
    {
        return implode(',', $this->items);
    }

/**
     * Tests if header has given value.
     *
     * @return bool
     */
    public function has(string $value)
    {
        return isset($this->items[$value]);
    }

/**
     * Returns given value's item, if exists.
     *
     * @return AcceptHeaderItem|null
     */
    public function get(string $value)
    {
        return $this->items[$value] ?? $this->items[explode('/', $value)[0].'/*'] ?? $this->items['*/*'] ?? $this->items['*'] ?? null;
    }

/**
     * Adds an item.
     *
     * @return $this
     */
    public function add(AcceptHeaderItem $item)
    {
        $this->items[$item->getValue()] = $item;
        $this->sorted = false;

return $this;
    }

/**
     * Returns all items.
     *
     * @return AcceptHeaderItem[]
     */
    public function all()
    {
        $this->sort();

return $this->items;
    }

/**
     * Filters items on their value using given regex.
     *
     * @return self
     */
    public function filter(string $pattern)
    {
        return new self(array_filter($this->items, function (AcceptHeaderItem $item) use ($pattern) {
            return preg_match($pattern, $item->getValue());
        }));
    }

/**
     * Returns first item.
     *
     * @return AcceptHeaderItem|null
     */
    public function first()
    {
        $this->sort();

return !empty($this->items) ? reset($this->items) : null;
    }

/**
     * Sorts items by descending quality.
     */
    private function sort(): void
    {
        if (!$this->sorted) {
            uasort($this->items, function (AcceptHeaderItem $a, AcceptHeaderItem $b) {
                $qA = $a->getQuality();
                $qB = $b->getQuality();

if ($qA === $qB) {
                    return $a->getIndex() > $b->getIndex() ? 1 : -1;
                }

return $qA > $qB ? -1 : 1;
            });

$this->sorted = true;
        }
    }
}

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Editing: AcceptHeader.php

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