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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: StreamedResponse.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;

/**
 * StreamedResponse represents a streamed HTTP response.
 *
 * A StreamedResponse uses a callback for its content.
 *
 * The callback should use the standard PHP functions like echo
 * to stream the response back to the client. The flush() function
 * can also be used if needed.
 *
 * @see flush()
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class StreamedResponse extends Response
{
    protected $callback;
    protected $streamed;
    private $headersSent;

public function __construct(callable $callback = null, int $status = 200, array $headers = [])
    {
        parent::__construct(null, $status, $headers);

if (null !== $callback) {
            $this->setCallback($callback);
        }
        $this->streamed = false;
        $this->headersSent = false;
    }

/**
     * Factory method for chainability.
     *
     * @param callable|null $callback A valid PHP callback or null to set it later
     *
     * @return static
     *
     * @deprecated since Symfony 5.1, use __construct() instead.
     */
    public static function create($callback = null, int $status = 200, array $headers = [])
    {
        trigger_deprecation('symfony/http-foundation', '5.1', 'The "%s()" method is deprecated, use "new %s()" instead.', __METHOD__, \get_called_class());

return new static($callback, $status, $headers);
    }

/**
     * Sets the PHP callback associated with this Response.
     *
     * @return $this
     */
    public function setCallback(callable $callback)
    {
        $this->callback = $callback;

return $this;
    }

/**
     * {@inheritdoc}
     *
     * This method only sends the headers once.
     *
     * @return $this
     */
    public function sendHeaders()
    {
        if ($this->headersSent) {
            return $this;
        }

$this->headersSent = true;

return parent::sendHeaders();
    }

/**
     * {@inheritdoc}
     *
     * This method only sends the content once.
     *
     * @return $this
     */
    public function sendContent()
    {
        if ($this->streamed) {
            return $this;
        }

$this->streamed = true;

if (null === $this->callback) {
            throw new \LogicException('The Response callback must not be null.');
        }

($this->callback)();

return $this;
    }

/**
     * {@inheritdoc}
     *
     * @throws \LogicException when the content is not null
     *
     * @return $this
     */
    public function setContent(?string $content)
    {
        if (null !== $content) {
            throw new \LogicException('The content cannot be set on a StreamedResponse instance.');
        }

$this->streamed = true;

return $this;
    }

/**
     * {@inheritdoc}
     */
    public function getContent()
    {
        return false;
    }
}

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