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✏️ Editing: FullHttpMessageFormatter.php

<?php

namespace Http\Message\Formatter;

use Http\Message\Formatter;
use Psr\Http\Message\MessageInterface;
use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;

/**
 * A formatter that prints the complete HTTP message.
 *
 * @author Tobias Nyholm <tobias.nyholm@gmail.com>
 */
class FullHttpMessageFormatter implements Formatter
{
    /**
     * The maximum length of the body.
     *
     * @var int|null
     */
    private $maxBodyLength;

/**
     * @var string
     */
    private $binaryDetectionRegex;

/**
     * @param int|null $maxBodyLength
     * @param string   $binaryDetectionRegex By default, this is all non-printable ASCII characters and <DEL> except for \t, \r, \n
     */
    public function __construct($maxBodyLength = 1000, string $binaryDetectionRegex = '/([\x00-\x09\x0C\x0E-\x1F\x7F])/')
    {
        $this->maxBodyLength = $maxBodyLength;
        $this->binaryDetectionRegex = $binaryDetectionRegex;
    }

public function formatRequest(RequestInterface $request)
    {
        $message = sprintf(
            "%s %s HTTP/%s\n",
            $request->getMethod(),
            $request->getRequestTarget(),
            $request->getProtocolVersion()
        );

foreach ($request->getHeaders() as $name => $values) {
            $message .= $name.': '.implode(', ', $values)."\n";
        }

return $this->addBody($request, $message);
    }

public function formatResponse(ResponseInterface $response)
    {
        $message = sprintf(
            "HTTP/%s %s %s\n",
            $response->getProtocolVersion(),
            $response->getStatusCode(),
            $response->getReasonPhrase()
        );

foreach ($response->getHeaders() as $name => $values) {
            $message .= $name.': '.implode(', ', $values)."\n";
        }

return $this->addBody($response, $message);
    }

/**
     * Formats a response in context of its request.
     *
     * @return string
     */
    public function formatResponseForRequest(ResponseInterface $response, RequestInterface $request)
    {
        return $this->formatResponse($response);
    }

/**
     * Add the message body if the stream is seekable.
     *
     * @param string $message
     *
     * @return string
     */
    private function addBody(MessageInterface $request, $message)
    {
        $message .= "\n";
        $stream = $request->getBody();
        if (!$stream->isSeekable() || 0 === $this->maxBodyLength) {
            // Do not read the stream
            return $message;
        }

$data = $stream->__toString();
        $stream->rewind();

if (preg_match($this->binaryDetectionRegex, $data)) {
            return $message.'[binary stream omitted]';
        }

if (null === $this->maxBodyLength) {
            return $message.$data;
        }

return $message.mb_substr($data, 0, $this->maxBodyLength);
    }
}

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