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📁 ..
📄 AbstractSerializer.php(4.48 KB)
📄 CallbackStream.php(3.35 KB)
📄 ConfigProvider.php(1.54 KB)
📁 Exception
📄 HeaderSecurity.php(5.31 KB)
📄 MessageTrait.php(12.63 KB)
📄 Module.php(521 B)
📄 PhpInputStream.php(1.8 KB)
📄 RelativeStream.php(3.76 KB)
📁 Request
📄 Request.php(2.07 KB)
📄 RequestFactory.php(662 B)
📄 RequestTrait.php(9.96 KB)
📁 Response
📄 Response.php(5.88 KB)
📄 ResponseFactory.php(727 B)
📄 ServerRequest.php(6.44 KB)
📄 ServerRequestFactory.php(3.02 KB)
📄 Stream.php(8.06 KB)
📄 StreamFactory.php(1.45 KB)
📄 UploadedFile.php(7.49 KB)
📄 UploadedFileFactory.php(1.02 KB)
📄 Uri.php(17.34 KB)
📄 UriFactory.php(621 B)
📁 functions

Editing: AbstractSerializer.php

<?php

/**
 * @see       https://github.com/laminas/laminas-diactoros for the canonical source repository
 * @copyright https://github.com/laminas/laminas-diactoros/blob/master/COPYRIGHT.md
 * @license   https://github.com/laminas/laminas-diactoros/blob/master/LICENSE.md New BSD License
 */

declare(strict_types=1);

namespace Laminas\Diactoros;

use Psr\Http\Message\StreamInterface;

use function array_pop;
use function implode;
use function ltrim;
use function preg_match;
use function sprintf;
use function str_replace;
use function ucwords;

/**
 * Provides base functionality for request and response de/serialization
 * strategies, including functionality for retrieving a line at a time from
 * the message, splitting headers from the body, and serializing headers.
 */
abstract class AbstractSerializer
{
    const CR  = "\r";
    const EOL = "\r\n";
    const LF  = "\n";

/**
     * Retrieve a single line from the stream.
     *
     * Retrieves a line from the stream; a line is defined as a sequence of
     * characters ending in a CRLF sequence.
     *
     * @throws Exception\DeserializationException if the sequence contains a CR
     *     or LF in isolation, or ends in a CR.
     */
    protected static function getLine(StreamInterface $stream) : string
    {
        $line    = '';
        $crFound = false;
        while (! $stream->eof()) {
            $char = $stream->read(1);

if ($crFound && $char === self::LF) {
                $crFound = false;
                break;
            }

// CR NOT followed by LF
            if ($crFound && $char !== self::LF) {
                throw Exception\DeserializationException::forUnexpectedCarriageReturn();
            }

// LF in isolation
            if (! $crFound && $char === self::LF) {
                throw Exception\DeserializationException::forUnexpectedLineFeed();
            }

// CR found; do not append
            if ($char === self::CR) {
                $crFound = true;
                continue;
            }

// Any other character: append
            $line .= $char;
        }

// CR found at end of stream
        if ($crFound) {
            throw Exception\DeserializationException::forUnexpectedEndOfHeaders();
        }

return $line;
    }

/**
     * Split the stream into headers and body content.
     *
     * Returns an array containing two elements
     *
     * - The first is an array of headers
     * - The second is a StreamInterface containing the body content
     *
     * @throws Exception\DeserializationException For invalid headers.
     */
    protected static function splitStream(StreamInterface $stream) : array
    {
        $headers       = [];
        $currentHeader = false;

while ($line = self::getLine($stream)) {
            if (preg_match(';^(?P<name>[!#$%&\'*+.^_`\|~0-9a-zA-Z-]+):(?P<value>.*)$;', $line, $matches)) {
                $currentHeader = $matches['name'];
                if (! isset($headers[$currentHeader])) {
                    $headers[$currentHeader] = [];
                }
                $headers[$currentHeader][] = ltrim($matches['value']);
                continue;
            }

if (! $currentHeader) {
                throw Exception\DeserializationException::forInvalidHeader();
            }

if (! preg_match('#^[ \t]#', $line)) {
                throw Exception\DeserializationException::forInvalidHeaderContinuation();
            }

// Append continuation to last header value found
            $value = array_pop($headers[$currentHeader]);
            $headers[$currentHeader][] = $value . ltrim($line);
        }

// use RelativeStream to avoid copying initial stream into memory
        return [$headers, new RelativeStream($stream, $stream->tell())];
    }

/**
     * Serialize headers to string values.
     */
    protected static function serializeHeaders(array $headers) : string
    {
        $lines = [];
        foreach ($headers as $header => $values) {
            $normalized = self::filterHeader($header);
            foreach ($values as $value) {
                $lines[] = sprintf('%s: %s', $normalized, $value);
            }
        }

return implode("\r\n", $lines);
    }

/**
     * Filter a header name to wordcase
     */
    protected static function filterHeader($header) : string
    {
        $filtered = str_replace('-', ' ', $header);
        $filtered = ucwords($filtered);
        return str_replace(' ', '-', $filtered);
    }
}

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