getTracer( self::OTEL_TRACER_NAME, Transport::VERSION ); } /** * @param array $sanitizeKeys */ private static function sanitizeBody(string $body, array $sanitizeKeys): string { if (empty($body)) { return ''; } $json = json_decode($body, true); if (!is_array($json)) { return ''; } $patterns = array_merge(self::DEFAULT_SANITIZER_KEY_PATTERNS, $sanitizeKeys); // Convert the patterns array into a regex $regex = sprintf('/%s/', implode('|', $patterns)); // Recursively traverse the array and redact the specified keys array_walk_recursive($json, function (&$value, $key) use ($regex) { if (preg_match($regex, $key, $matches)) { $value = self::REDACTED_STRING; } }); return JsonSerializer::serialize($json); } }