162         $info = new Info();
163         $labels = self::process((string) $domainName, $options, $info);
171                     $info->errors |= self::ERROR_PUNYCODE;
179             self::validateDomainAndLabelLength($labels, $info);
184             'isTransitionalDifferent' => $info->transitionalDifferent,
185             'errors' => $info->errors,
188         return 0 === $info->errors ? $idna_info['result'] : false;
207         $info = new Info();
214         ], $info);
217             'isTransitionalDifferent' => $info->transitionalDifferent,
218             'errors' => $info->errors,
221         return 0 === $info->errors ? $idna_info['result'] : false;
274     private static function mapCodePoints($input, array $options, Info $info)  argument
285                     $info->errors |= self::ERROR_DISALLOWED;
304                     $info->transitionalDifferent = true;
322     private static function process($domain, array $options, Info $info)  argument
329             $info->errors |= self::ERROR_EMPTY_LABEL;
335         $domain = self::mapCodePoints($domain, $options, $info);
354                     $info->errors |= self::ERROR_PUNYCODE;
363 …          self::validateLabel($label, $info, $validationOptions, $i > 0 && $i === $lastLabelIndex);
366         if ($info->bidiDomain && !$info->validBidiDomain) {
367             $info->errors |= self::ERROR_BIDI;
382     private static function validateBidiLabel($label, Info $info)  argument
385             $info->bidiDomain = true;
390                 $info->validBidiDomain = false;
398                 $info->validBidiDomain = false;
406                 $info->validBidiDomain = false;
413                 $info->validBidiDomain = false;
425             $info->validBidiDomain = false;
433             $info->validBidiDomain = false;
441             $info->validBidiDomain = false;
450     private static function validateDomainAndLabelLength(array $labels, Info $info)  argument
472                 $info->errors |= self::ERROR_LABEL_TOO_LONG;
477             $info->errors |= self::ERROR_DOMAIN_NAME_TOO_LONG;
488     private static function validateLabel($label, Info $info, array $options, $canBeEmpty)  argument
492                 $info->errors |= self::ERROR_EMPTY_LABEL;
500             $info->errors |= self::ERROR_INVALID_ACE_LABEL;
509                 $info->errors |= self::ERROR_HYPHEN_3_4;
515                 $info->errors |= self::ERROR_LEADING_HYPHEN;
519                 $info->errors |= self::ERROR_TRAILING_HYPHEN;
525             $info->errors |= self::ERROR_LABEL_HAS_DOT;
530             $info->errors |= self::ERROR_LEADING_COMBINING_MARK;
546             $info->errors |= self::ERROR_DISALLOWED;
555             $info->errors |= self::ERROR_CONTEXTJ;
560         if ($options['CheckBidi'] && (!$info->bidiDomain || $info->validBidiDomain)) {
561             self::validateBidiLabel($label, $info);