function SanitizeCombinedHeadersPropagationGetter::get

Overrides PropagationGetterInterface::get

File

vendor/open-telemetry/context/Propagation/SanitizeCombinedHeadersPropagationGetter.php, line 30

Class

SanitizeCombinedHeadersPropagationGetter

Some servers concatenate multiple headers with ';' -- we need to replace these with ',' This is still a workaround and doesn't get around the problem fully, specifically it doesn't handle edge cases where the header has a…

Namespace

OpenTelemetry\Context\Propagation

Code

public function get($carrier, string $key) : ?string {
    $value = $this->getter
        ->get($carrier, $key);
    if ($value === null) {
        return null;
    }
    return preg_replace([
        self::SERVER_CONCAT_HEADERS_REGEX,
        self::TRAILING_LEADING_SEPARATOR_REGEX,
    ], [
        self::LIST_MEMBERS_SEPARATOR,
    ], $value);
}