kalanis\RemoteRequest\Protocols\Http\Answer\DecodeStrings\Chunked::processDecode()

Complexity

Conditions	3
Paths	2

Size

Total Lines	20
Code Lines	13

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	11
CRAP Score	3

Importance

Changes	2
Bugs	0	Features	0

<?php
    public function processDecode(string $content): string
    {
        $partialData = $content;
        $cleared = '';
        do {
            if (preg_match('#^(([0-9a-fA-F]+)\r\n)(.*)#m', $partialData, $matches)) {
                $segmentLength = hexdec($matches[2]);
                // skip bytes defined as chunk size and get next with length of chunk size
                $chunk = mb_substr($partialData, mb_strlen($matches[1]), intval($segmentLength));
                $cleared .= $chunk;
                // remove bytes with chunk size, chunk itself and ending crlf
                $partialData = mb_substr($partialData, mb_strlen($matches[1]) + mb_strlen($chunk) + mb_strlen(Protocols\Http::DELIMITER));
            } else {
                // @codeCoverageIgnoreStart
                $segmentLength = 0;
            }
            // @codeCoverageIgnoreEnd
        } while (0 < $segmentLength);
        $content = $cleared;
        return $content;
    }