EmailCheck - Code Metrics - Inspection of "[+]: convert IDN Domains with the IDNA2008 definit..." - voku/email-check - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 991681...655e8b )

by Lars

created 2017-08-10 20:12 UTC

EmailCheck B

↳ Parent: Project

Complexity

Total Complexity

Size/Duplication

Total Lines	920
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	2

Test Coverage

Coverage

92.31%

Importance

Changes	4
Bugs	0	Features	0

Metric	Value
wmc	42
c	4
b	0
f	0
lcom	1
cbo	2
dl	0
loc	920
ccs	96
cts	104
cp	0.9231
rs	8

5 Methods

Rating	Name	Size	Complexity
F	isValid()	150	33
A	isExampleDomain()	8	2
A	isTypoInDomain()	8	2
A	isTemporaryDomain()	8	2
A	isDnsError()	8	3

How to fix Complexity

<?php

namespace voku\helper;

use TrueBV\Exception\LabelOutOfBoundsException;
use TrueBV\Punycode;

/**
 * E-Mail Check Class
 *
 * -> use "EmailCheck::isValid()" to validate a email-address
 *
 * @author      Lars Moelleken
 * @copyright   Copyright (c) 2015, Lars Moelleken (http://moelleken.org/)
 * @license     http://opensource.org/licenses/MIT	MIT License
 */
class EmailCheck
{
  /**
   * @var array
   */
  public static $domainsExample = array(
      'test.de',
      'test.com',
      'test.net',
      'test.org',
      'example.de',
      'example.com',
      'example.net',
      'example.org',
  );

  /**
   * @var array
   *
   * here you can find more domains:
   * - https://github.com/vboctor/disposable_email_checker
   * - https://gist.github.com/michenriksen/8710649
   */
  public static $domainsTemporary = array(
      '0-mail.com',
      '0815.ru',
      '0815.ru0clickemail.com',
      '0clickemail.com',
      '0wnd.net',
      '0wnd.org',
      '10minutemail.com',
      '10minutemail.co.za',
      '20minutemail.com',
      '2prong.com',
      '30minutemail.com',
      '33mail.com',
      '3d-painting.com',
      '4warding.com',
      '4warding.net',
      '4warding.org',
      '60minutemail.com',
      '675hosting.com',
      '675hosting.net',
      '675hosting.org',
      '6paq.com',
      '6url.com',
      '75hosting.com',
      '75hosting.net',
      '75hosting.org',
      '7tags.com',
      '9ox.net',
      'a-bc.net',
      'afrobacon.com',
      'ag.us.to',
      'ajaxapp.net',
      'amilegit.com',
      'amiri.net',
      'amiriindustries.com',
      'anonbox.net',
      'anonymbox.com',
      'antichef.com',
      'antichef.net',
      'antispam.de',
      'armyspy.com',
      'atvclub.msk.ru',
      'azmeil.tk',
      'baxomale.ht.cx',
      'beefmilk.com',
      'binkmail.com',
      'bio-muesli.net',
      'bobmail.info',
      'bodhi.lawlita.com',
      'bofthew.com',
      'bootybay.de',
      'boun.cr',
      'bouncr.com',
      'brefmail.com',
      'broadbandninja.com',
      'bsnow.net',
      'bu.mintemail.com',
      'bugmenot.com',
      'bumpymail.com',
      'casualdx.com',
      'centermail.com',
      'centermail.net',
      'chogmail.com',
      'choicemail1.com',
      'consumerriot.com',
      'cool.fr.nf',
      'correo.blogos.net',
      'cosmorph.com',
      'courriel.fr.nf',
      'courrieltemporaire.com',
      'crazymailing.com',
      'cubiclink.com',
      'curryworld.de',
      'cust.in',
      'cuvox.de',
      'dacoolest.com',
      'dandikmail.com',
      'dayrep.com',
      'deadaddress.com',
      'deadspam.com',
      'despam.it',
      'despammed.com',
      'devnullmail.com',
      'dfgh.net',
      'digitalsanctuary.com',
      'dingbone.com',
      'discardmail.com',
      'discardmail.de',
      'disposableaddress.com',
      'disposableemailaddresses.com',
      'disposeamail.com',
      'disposemail.com',
      'dispostable.com',
      'dm.w3internet.co.uk',
      'dm.w3internet.co.ukexample.com',
      'dodgeit.com',
      'dodgit.com',
      'dodgit.org',
      'doiea.com',
      'donemail.ru',
      'dontreg.com',
      'dontsendmespam.de',
      'drdrb.com',
      'drdrb.net',
      'dump-email.info',
      'dumpandjunk.com',
      'dumpmail.de',
      'dumpyemail.com',
      'e-mail.com',
      'e4ward.com',
      'easytrashmail.com',
      'einrot.com',
      'email.net',
      'email60.com',
      'emaildienst.de',
      'emailias.com',
      'emailigo.de',
      'emailinfive.com',
      'emailmiser.com',
      'emailsensei.com',
      'emailtemporario.com.br',
      'emailto.de',
      'emailwarden.com',
      'emailx.at.hm',
      'emailxfer.com',
      'emeil.in',
      'emeil.ir',
      'emz.net',
      'enterto.com',
      'ephemail.net',
      'etranquil.com',
      'etranquil.net',
      'etranquil.org',
      'evopo.com',
      'explodemail.com',
      'fakeinbox.com',
      'fakeinformation.com',
      'fansworldwide.de',
      'fastacura.com',
      'fastchevy.com',
      'fastchrysler.com',
      'fastkawasaki.com',
      'fastmazda.com',
      'fastmitsubishi.com',
      'fastnissan.com',
      'fastsubaru.com',
      'fastsuzuki.com',
      'fasttoyota.com',
      'fastyamaha.com',
      'filzmail.com',
      'fixmail.tk',
      'fizmail.com',
      'fleckens.hu',
      'fr33mail.info',
      'frapmail.com',
      'front14.org',
      'fudgerub.com',
      'fux0ringduh.com',
      'garliclife.com',
      'gelitik.in',
      'get1mail.com',
      'get2mail.fr',
      'getairmail.com',
      'getonemail.com',
      'getonemail.net',
      'ghosttexter.de',
      'girlsundertheinfluence.com',
      'gishpuppy.com',
      'goemailgo.com',
      'gowikibooks.com',
      'gowikicampus.com',
      'gowikicars.com',
      'gowikifilms.com',
      'gowikigames.com',
      'gowikimusic.com',
      'gowikinetwork.com',
      'gowikitravel.com',
      'gowikitv.com',
      'great-host.in',
      'greensloth.com',
      'grr.la',
      'gsrv.co.uk',
      'guerillamail.biz',
      'guerillamail.com',
      'guerillamail.net',
      'guerillamail.org',
      'guerrillamail.biz',
      'guerrillamail.com',
      'guerrillamail.de',
      'guerrillamail.net',
      'guerrillamail.org',
      'guerrillamailblock.com',
      'gustr.com',
      'h.mintemail.com',
      'h8s.org',
      'haltospam.com',
      'hatespam.org',
      'hidemail.de',
      'hidzz.com',
      'hochsitze.com',
      'hotpop.com',
      'hulapla.de',
      'ieatspam.eu',
      'ieatspam.info',
      'ieh-mail.de',
      'ihateyoualot.info',
      'iheartspam.org',
      'imails.info',
      'inbax.tk',
      'inbox.si',
      'inbox2.info',
      'inboxalias.com',
      'inboxclean.com',
      'inboxclean.org',
      'incognitomail.com',
      'incognitomail.net',
      'incognitomail.org',
      'insorg-mail.info',
      'ipoo.org',
      'irish2me.com',
      'iwi.net',
      'jetable.com',
      'jetable.fr.nf',
      'jetable.net',
      'jetable.org',
      'jnxjn.com',
      'jourrapide.com',
      'junk1e.com',
      'kasmail.com',
      'kaspop.com',
      'keepmymail.com',
      'killmail.com',
      'killmail.net',
      'kir.ch.tc',
      'klassmaster.com',
      'klassmaster.net',
      'klzlk.com',
      'koszmail.pl',
      'kulturbetrieb.info',
      'kurzepost.de',
      'letthemeatspam.com',
      'lhsdv.com',
      'lifebyfood.com',
      'link2mail.net',
      'litedrop.com',
      'lol.ovpn.to',
      'lookugly.com',
      'lopl.co.cc',
      'lortemail.dk',
      'lr78.com',
      'm4ilweb.info',
      'ma1l.bij.pl',
      'maboard.com',
      'mail-temporaire.fr',
      'mail.by',
      'mail.mezimages.net',
      'mail2rss.org',
      'mail333.com',
      'mail4trash.com',
      'mailbidon.com',
      'mailblocks.com',
      'mailcatch.com',
      'maildrop.cc',
      'maileater.com',
      'mailed.in',
      'mailexpire.com',
      'mailfa.tk',
      'mailfreeonline.com',
      'mailimate.com',
      'mailin8r.com',
      'mailinater.com',
      'mailinator.com',
      'mailinator.net',
      'mailinator2.com',
      'mailincubator.com',
      'mailismagic.com',
      'mailme.ir',
      'mailme.lv',
      'mailmetrash.com',
      'mailmoat.com',
      'mailnator.com',
      'mailnesia.com',
      'mailnull.com',
      'mailshell.com',
      'mailsiphon.com',
      'mailslite.com',
      'mailtemp.info',
      'mailtothis.com',
      'mailzilla.com',
      'mailzilla.org',
      'mbx.cc',
      'mega.zik.dj',
      'meinspamschutz.de',
      'meltmail.com',
      'messagebeamer.de',
      'mierdamail.com',
      'mintemail.com',
      'mjukglass.nu',
      'mobi.web.id',
      'moburl.com',
      'moncourrier.fr.nf',
      'monemail.fr.nf',
      'monmail.fr.nf',
      'monumentmail.com',
      'msa.minsmail.com',
      'mt2009.com',
      'mt2014.com',
      'mx0.wwwnew.eu',
      'mycleaninbox.net',
      'mypartyclip.de',
      'myphantomemail.com',
      'myspaceinc.com',
      'myspaceinc.net',
      'myspaceinc.org',
      'myspacepimpedup.com',
      'myspamless.com',
      'mytempemail.com',
      'mytrashmail.com',
      'naver.com',
      'neomailbox.com',
      'nepwk.com',
      'nervmich.net',
      'nervtmich.net',
      'netmails.com',
      'netmails.net',
      'netzidiot.de',
      'neverbox.com',
      'no-spam.ws',
      'nobulk.com',
      'noclickemail.com',
      'nogmailspam.info',
      'nomail.xl.cx',
      'nomail2me.com',
      'nomorespamemails.com',
      'nospam.ze.tc',
      'nospam4.us',
      'nospamfor.us',
      'nospamthanks.info',
      'notmailinator.com',
      'nowmymail.com',
      'nullbox.info',
      'nurfuerspam.de',
      'nus.edu.sg',
      'nwldx.com',
      'objectmail.com',
      'obobbo.com',
      'odaymail.com',
      'oneoffemail.com',
      'onewaymail.com',
      'onlatedotcom.info',
      'online.ms',
      'oopi.org',
      'opayq.com',
      'ordinaryamerican.net',
      'otherinbox.com',
      'ourklips.com',
      'outlawspam.com',
      'ovpn.to',
      'owlpic.com',
      'pancakemail.com',
      'pimpedupmyspace.com',
      'pjjkp.com',
      'plexolan.de',
      'politikerclub.de',
      'poofy.org',
      'pookmail.com',
      'privacy.net',
      'privymail.de',
      'proxymail.eu',
      'prtnx.com',
      'punkass.com',
      'putthisinyourspamdatabase.com',
      'qq.com',
      'quickinbox.com',
      'rcpt.at',
      'reallymymail.com',
      'recode.me',
      'recursor.net',
      'regbypass.com',
      'regbypass.comsafe-mail.net',
      'rejectmail.com',
      'rhyta.com',
      'rklips.com',
      'rmqkr.net',
      'rppkn.com',
      'rtrtr.com',
      's0ny.net',
      'safe-mail.net',
      'safersignup.de',
      'safetymail.info',
      'safetypost.de',
      'sandelf.de',
      'saynotospams.com',
      'selfdestructingmail.com',
      'selfdestructingmail.org',
      'sendspamhere.com',
      'sharklasers.com',
      'shieldedmail.com',
      'shiftmail.com',
      'shitmail.me',
      'shortmail.net',
      'sibmail.com',
      'sify.com',
      'skeefmail.com',
      'slaskpost.se',
      'slopsbox.com',
      'slushmail.com',
      'smaakt.naar.gravel',
      'smapfree24.com',
      'smapfree24.de',
      'smapfree24.eu',
      'smapfree24.info',
      'smapfree24.org',
      'smashmail.de',
      'smellfear.com',
      'snakemail.com',
      'sneakemail.com',
      'sofimail.com',
      'sofort-mail.de',
      'sogetthis.com',
      'soodonims.com',
      'spam.la',
      'spam.su',
      'spam4.me',
      'spamavert.com',
      'spambob.com',
      'spambob.net',
      'spambob.org',
      'spambog.com',
      'spambog.de',
      'spambog.net',
      'spambog.ru',
      'spambox.info',
      'spambox.irishspringrealty.com',
      'spambox.org',
      'spambox.us',
      'spamcannon.com',
      'spamcannon.net',
      'spamcero.com',
      'spamcon.org',
      'spamcorptastic.com',
      'spamcowboy.com',
      'spamcowboy.net',
      'spamcowboy.org',
      'spamday.com',
      'spamex.com',
      'spamfree.eu',
      'spamfree24.com',
      'spamfree24.de',
      'spamfree24.eu',
      'spamfree24.info',
      'spamfree24.net',
      'spamfree24.org',
      'spamgoes.in',
      'spamgourmet.com',
      'spamgourmet.net',
      'spamgourmet.org',
      'spamherelots.com',
      'spamhereplease.com',
      'spamhole.com',
      'spamify.com',
      'spaminator.de',
      'spamkill.info',
      'spaml.com',
      'spaml.de',
      'spammotel.com',
      'spamobox.com',
      'spamoff.de',
      'spamslicer.com',
      'spamspot.com',
      'spamthis.co.uk',
      'spamthisplease.com',
      'spamtrail.com',
      'speed.1s.fr',
      'squizzy.de',
      'supergreatmail.com',
      'supermailer.jp',
      'superrito.com',
      'suremail.info',
      'tagyourself.com',
      'teewars.org',
      'teleworm.com',
      'teleworm.us',
      'tempalias.com',
      'tempe-mail.com',
      'tempemail.biz',
      'tempemail.com',
      'tempemail.net',
      'tempinbox.co.uk',
      'tempinbox.com',
      'temp-mail.ru',
      'tempmail.it',
      'tempmail2.com',
      'tempomail.fr',
      'temporarily.de',
      'temporarioemail.com.br',
      'temporaryemail.net',
      'temporaryforwarding.com',
      'temporaryinbox.com',
      'tempymail.com',
      'thanksnospam.info',
      'thankyou2010.com',
      'thisisnotmyrealemail.com',
      'throwawayemailaddress.com',
      'throam.com',
      'tilien.com',
      'tmail.com',
      'tmailinator.com',
      'toiea.com',
      'tradermail.info',
      'trash-amil.com',
      'trash-mail.at',
      'trash-mail.com',
      'trash-mail.de',
      'trash2009.com',
      'trashemail.de',
      'trashmail.at',
      'trashmail.com',
      'trashmail.de',
      'trashmail.me',
      'trashmail.net',
      'trashmail.org',
      'trashmail.ws',
      'trashmailer.com',
      'trashymail.com',
      'trashymail.net',
      'trbvm.com',
      'trillianpro.com',
      'turual.com',
      'twinmail.de',
      'tyldd.com',
      'uggsrock.com',
      'upliftnow.com',
      'uplipht.com',
      'venompen.com',
      'veryrealemail.com',
      'vidchart.com',
      'viditag.com',
      'viewcastmedia.com',
      'viewcastmedia.net',
      'viewcastmedia.org',
      'webm4il.info',
      'wegwerfadresse.de',
      'wegwerfemail.de',
      'wegwerfmail.de',
      'wegwerfmail.net',
      'wegwerfmail.org',
      'wetrainbayarea.com',
      'wetrainbayarea.org',
      'wh4f.org',
      'whatiaas.com',
      'whatpaas.com',
      'whyspam.me',
      'willselfdestruct.com',
      'winemaven.info',
      'wronghead.com',
      'wuzup.net',
      'wuzupmail.net',
      'www.e4ward.com',
      'www.gishpuppy.com',
      'www.mailinator.com',
      'wwwnew.eu',
      'xagloo.co',
      'xagloo.com',
      'xemaps.com',
      'xents.com',
      'xmail.com',
      'xmaily.com',
      'xoxy.net',
      'yep.it',
      'yogamaven.com',
      'yopmail.com',
      'yopmail.fr',
      'yopmail.net',
      'ypmail.webarnak.fr.eu.org',
      'yuurok.com',
      'zehnminutenmail.de',
      'zippymail.info',
      'zoaxe.com',
      'zoemail.com',
      'zoemail.org',
  );

  /**
   * @var array
   */
  public static $domainsTypo = array(
      '',
      '-online.de',
      '-tonline.de',
      'acor.de',
      'aecor.de',
      'ahoo.de',
      'al.com',
      'ao.com',
      'aol.cm',
      'aol.con',
      'aol.ocm',
      'aol.om',
      'aoll.com',
      'apl.com',
      'arco.de',
      'arocr.de',
      'aror.de',
      'feenet.de',
      'freeenet.de',
      'freeent.de',
      'freeet.de',
      'freemet.de',
      'freeneet.de',
      'freent.de',
      'frenet.de',
      'gm.de',
      'gm.net',
      'gm.xde',
      'gmc.de',
      'gmx.ded',
      'gmx.dw',
      'gmxx.de',
      'gmy.de',
      'gx.de',
      'hmx.de',
      'homail.de',
      'hotmai.de',
      'hotmal.de',
      'mx.de',
      'mx.net',
      'otmail.com',
      'r-online.de',
      'rcor.de',
      'reenet.de',
      't--online.de',
      't-0nline.de',
      't-nline.de',
      't-oline.de',
      't-omline.de',
      't-onine.de',
      't-onlien.de',
      't-onliine.de',
      't-onlin.de',
      't-onlinde.de',
      't-onlinr.de',
      't-onlione.de',
      't-onlline.de',
      't-onlne.de',
      't-onlone.de',
      't.-online.de',
      't.online.de',
      'tonline.de',
      'wb.de',
      'we.de',
      'web.ded',
      'web.dw',
      'wed.de',
      'weeb.de',
      'wen.de',
      'wweb.de',
      'yaho.de',
      'yahooo.de',
      'yaoo.de',
      'yhoo.de',
      'yahhoo.de',
  );

  /**
   * @var bool
   */
  protected static $useDnsCheck = true;

  /**
   * Check if the email is valid.
   *
   * @param string $email
   * @param bool   $useExampleDomainCheck
   * @param bool   $useTypoInDomainCheck
   * @param bool   $useTemporaryDomainCheck
   * @param bool   $useDnsCheck (do not use, if you don't need it)
   *
   * @return bool
   */
  public static function isValid($email, $useExampleDomainCheck = false, $useTypoInDomainCheck = false, $useTemporaryDomainCheck = false, $useDnsCheck = false)
  {
    // must be a string
    if (!is_string($email)) {
      return false;
    }

    // make sure string length is limited to avoid DOS attacks
    $emailStringLength = strlen($email);
    if (
        $emailStringLength >= 320
        ||
        $emailStringLength <= 2 // i@y //
    ) {
      return false;
    }
    unset($emailStringLength);

    $email = str_replace(
        array(
            '.', // non-Latin chars are also allowed | https://tools.ietf.org/html/rfc6530
            '＠', // non-Latin chars are also allowed | https://tools.ietf.org/html/rfc6530
        ),
        array(
            '.',
            '@',
        ),
        $email
    );

    if (
        (strpos($email, '@') === false) // "at" is needed
        ||
        (strpos($email, '.') === false && strpos($email, ':') === false) // "dot" or "colon" is needed
    ) {
      return false;
    }

    if (!preg_match('/^(?<local>.*<?)(?:.*)@(?<domain>.*)(?:>?)$/', $email, $parts)) {
      return false;
    }

    $local = $parts['local'];
    $domain = $parts['domain'];

    if (!$local) {
      return false;
    }

    if (!$domain) {
      return false;
    }

    // Escaped spaces are allowed in the "local"-part.
    $local = str_replace('\\ ', '', $local);

    // Spaces in quotes e.g. "firstname lastname"@foo.bar are also allowed in the "local"-part.
    $quoteHelperForIdn = false;
    if (preg_match('/^"(?<inner>[^"]*)"$/mU', $local, $parts)) {
      $quoteHelperForIdn = true;
      $local = trim(
          str_replace(
              $parts['inner'],
              str_replace(' ', '', $parts['inner']),
              $local
          ),
          '"'
      );
    }

    if (
        strpos($local, ' ') !== false // no spaces allowed, anymore
        ||
        strpos($local, '".') !== false // no quote + dot allowed
    ) {
      return false;
    }

    if (
        function_exists('idn_to_ascii')
        &&
        UTF8::max_chr_width($email) <= 3 // check for unicode chars with more then 3 bytes
    ) {

      $localTmp = idn_to_ascii($local);
      if ($localTmp) {
        $local = $localTmp;
      }
      unset($localTmp);

      // https://git.ispconfig.org/ispconfig/ispconfig3/blob/master/interface/lib/classes/functions.inc.php#L305
      if(defined('IDNA_NONTRANSITIONAL_TO_ASCII') && defined('INTL_IDNA_VARIANT_UTS46') && constant('IDNA_NONTRANSITIONAL_TO_ASCII')) {
        $domainTmp = idn_to_ascii($domain, IDNA_NONTRANSITIONAL_TO_ASCII, INTL_IDNA_VARIANT_UTS46);
      } else {
        $domainTmp = idn_to_ascii($domain);
      }
      if ($domainTmp) {
        $domain = $domainTmp;
      }
      unset($domainTmp);

    } else {

      static $punycode = null;
      if ($punycode === null) {
        $punycode = new Punycode();
      }

      try {
        $local = $punycode->encode($local);
      } catch (LabelOutOfBoundsException $e) {
        $local = '';
      }

      try {
        $domain = $punycode->encode($domain);
      } catch (LabelOutOfBoundsException $e) {
        $domain = '';
      }

    }

    if ($quoteHelperForIdn === true) {
      $local = '"' . $local . '"';
    }

    $email = $local . '@' . $domain;

    if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
      return false;
    }

    if ($useExampleDomainCheck === true && self::isExampleDomain($domain) === true) {
      return false;
    }

    if ($useTypoInDomainCheck === true && self::isTypoInDomain($domain) === true) {
      return false;
    }

    if ($useTemporaryDomainCheck === true && self::isTemporaryDomain($domain) === true) {
      return false;
    }

    if ($useDnsCheck === true && self::isDnsError($domain) === true) {
      return false;
    }

    return true;
  }

  /**
   * Check if the domain is a example domain.
   *
   * @param string $domain
   *
   * @return bool
   */
  public static function isExampleDomain($domain)
  {
    if (in_array($domain, self::$domainsExample, true)) {
      return true;
    }

    return false;
  }

  /**
   * Check if the domain has a typo.
   *
   * @param string $domain
   *
   * @return bool
   */
  public static function isTypoInDomain($domain)
  {
    if (in_array($domain, self::$domainsTypo, true)) {
      return true;
    }

    return false;
  }

  /**
   * Check if the domain is a temporary domain.
   *
   * @param string $domain
   *
   * @return bool
   */
  public static function isTemporaryDomain($domain)
  {
    if (in_array($domain, self::$domainsTemporary, true)) {
      return true;
    }

    return false;
  }

  /**
   * Check if the domain has a typo.
   *
   * @param string $domain
   *
   * @return bool|null will return null if we can't use the "checkdnsrr"-function
   *
   * @throws \Exception
   */
  public static function isDnsError($domain)
  {
    if (function_exists('checkdnsrr')) {
      return !checkdnsrr($domain . '.', 'MX') || !checkdnsrr($domain, 'A');
    }

    throw new \Exception(' Can\'t call checkdnsrr');
  }
}


1		<?php
2
3		namespace voku\helper;
4
5		use TrueBV\Exception\LabelOutOfBoundsException;
6		use TrueBV\Punycode;
7
8		/**
9		* E-Mail Check Class
10		*
11		* -> use "EmailCheck::isValid()" to validate a email-address
12		*
13		* @author Lars Moelleken
14		* @copyright Copyright (c) 2015, Lars Moelleken (http://moelleken.org/)
15		* @license http://opensource.org/licenses/MIT MIT License
16		*/
17		class EmailCheck
18		{
19		/**
20		* @var array
21		*/
22		public static $domainsExample = array(
23		'test.de',
24		'test.com',
25		'test.net',
26		'test.org',
27		'example.de',
28		'example.com',
29		'example.net',
30		'example.org',
31		);
32
33		/**
34		* @var array
35		*
36		* here you can find more domains:
37		* - https://github.com/vboctor/disposable_email_checker
38		* - https://gist.github.com/michenriksen/8710649
39		*/
40		public static $domainsTemporary = array(
41		'0-mail.com',
42		'0815.ru',
43		'0815.ru0clickemail.com',
44		'0clickemail.com',
45		'0wnd.net',
46		'0wnd.org',
47		'10minutemail.com',
48		'10minutemail.co.za',
49		'20minutemail.com',
50		'2prong.com',
51		'30minutemail.com',
52		'33mail.com',
53		'3d-painting.com',
54		'4warding.com',
55		'4warding.net',
56		'4warding.org',
57		'60minutemail.com',
58		'675hosting.com',
59		'675hosting.net',
60		'675hosting.org',
61		'6paq.com',
62		'6url.com',
63		'75hosting.com',
64		'75hosting.net',
65		'75hosting.org',
66		'7tags.com',
67		'9ox.net',
68		'a-bc.net',
69		'afrobacon.com',
70		'ag.us.to',
71		'ajaxapp.net',
72		'amilegit.com',
73		'amiri.net',
74		'amiriindustries.com',
75		'anonbox.net',
76		'anonymbox.com',
77		'antichef.com',
78		'antichef.net',
79		'antispam.de',
80		'armyspy.com',
81		'atvclub.msk.ru',
82		'azmeil.tk',
83		'baxomale.ht.cx',
84		'beefmilk.com',
85		'binkmail.com',
86		'bio-muesli.net',
87		'bobmail.info',
88		'bodhi.lawlita.com',
89		'bofthew.com',
90		'bootybay.de',
91		'boun.cr',
92		'bouncr.com',
93		'brefmail.com',
94		'broadbandninja.com',
95		'bsnow.net',
96		'bu.mintemail.com',
97		'bugmenot.com',
98		'bumpymail.com',
99		'casualdx.com',
100		'centermail.com',
101		'centermail.net',
102		'chogmail.com',
103		'choicemail1.com',
104		'consumerriot.com',
105		'cool.fr.nf',
106		'correo.blogos.net',
107		'cosmorph.com',
108		'courriel.fr.nf',
109		'courrieltemporaire.com',
110		'crazymailing.com',
111		'cubiclink.com',
112		'curryworld.de',
113		'cust.in',
114		'cuvox.de',
115		'dacoolest.com',
116		'dandikmail.com',
117		'dayrep.com',
118		'deadaddress.com',
119		'deadspam.com',
120		'despam.it',
121		'despammed.com',
122		'devnullmail.com',
123		'dfgh.net',
124		'digitalsanctuary.com',
125		'dingbone.com',
126		'discardmail.com',
127		'discardmail.de',
128		'disposableaddress.com',
129		'disposableemailaddresses.com',
130		'disposeamail.com',
131		'disposemail.com',
132		'dispostable.com',
133		'dm.w3internet.co.uk',
134		'dm.w3internet.co.ukexample.com',
135		'dodgeit.com',
136		'dodgit.com',
137		'dodgit.org',
138		'doiea.com',
139		'donemail.ru',
140		'dontreg.com',
141		'dontsendmespam.de',
142		'drdrb.com',
143		'drdrb.net',
144		'dump-email.info',
145		'dumpandjunk.com',
146		'dumpmail.de',
147		'dumpyemail.com',
148		'e-mail.com',
149		'e4ward.com',
150		'easytrashmail.com',
151		'einrot.com',
152		'email.net',
153		'email60.com',
154		'emaildienst.de',
155		'emailias.com',
156		'emailigo.de',
157		'emailinfive.com',
158		'emailmiser.com',
159		'emailsensei.com',
160		'emailtemporario.com.br',
161		'emailto.de',
162		'emailwarden.com',
163		'emailx.at.hm',
164		'emailxfer.com',
165		'emeil.in',
166		'emeil.ir',
167		'emz.net',
168		'enterto.com',
169		'ephemail.net',
170		'etranquil.com',
171		'etranquil.net',
172		'etranquil.org',
173		'evopo.com',
174		'explodemail.com',
175		'fakeinbox.com',
176		'fakeinformation.com',
177		'fansworldwide.de',
178		'fastacura.com',
179		'fastchevy.com',
180		'fastchrysler.com',
181		'fastkawasaki.com',
182		'fastmazda.com',
183		'fastmitsubishi.com',
184		'fastnissan.com',
185		'fastsubaru.com',
186		'fastsuzuki.com',
187		'fasttoyota.com',
188		'fastyamaha.com',
189		'filzmail.com',
190		'fixmail.tk',
191		'fizmail.com',
192		'fleckens.hu',
193		'fr33mail.info',
194		'frapmail.com',
195		'front14.org',
196		'fudgerub.com',
197		'fux0ringduh.com',
198		'garliclife.com',
199		'gelitik.in',
200		'get1mail.com',
201		'get2mail.fr',
202		'getairmail.com',
203		'getonemail.com',
204		'getonemail.net',
205		'ghosttexter.de',
206		'girlsundertheinfluence.com',
207		'gishpuppy.com',
208		'goemailgo.com',
209		'gowikibooks.com',
210		'gowikicampus.com',
211		'gowikicars.com',
212		'gowikifilms.com',
213		'gowikigames.com',
214		'gowikimusic.com',
215		'gowikinetwork.com',
216		'gowikitravel.com',
217		'gowikitv.com',
218		'great-host.in',
219		'greensloth.com',
220		'grr.la',
221		'gsrv.co.uk',
222		'guerillamail.biz',
223		'guerillamail.com',
224		'guerillamail.net',
225		'guerillamail.org',
226		'guerrillamail.biz',
227		'guerrillamail.com',
228		'guerrillamail.de',
229		'guerrillamail.net',
230		'guerrillamail.org',
231		'guerrillamailblock.com',
232		'gustr.com',
233		'h.mintemail.com',
234		'h8s.org',
235		'haltospam.com',
236		'hatespam.org',
237		'hidemail.de',
238		'hidzz.com',
239		'hochsitze.com',
240		'hotpop.com',
241		'hulapla.de',
242		'ieatspam.eu',
243		'ieatspam.info',
244		'ieh-mail.de',
245		'ihateyoualot.info',
246		'iheartspam.org',
247		'imails.info',
248		'inbax.tk',
249		'inbox.si',
250		'inbox2.info',
251		'inboxalias.com',
252		'inboxclean.com',
253		'inboxclean.org',
254		'incognitomail.com',
255		'incognitomail.net',
256		'incognitomail.org',
257		'insorg-mail.info',
258		'ipoo.org',
259		'irish2me.com',
260		'iwi.net',
261		'jetable.com',
262		'jetable.fr.nf',
263		'jetable.net',
264		'jetable.org',
265		'jnxjn.com',
266		'jourrapide.com',
267		'junk1e.com',
268		'kasmail.com',
269		'kaspop.com',
270		'keepmymail.com',
271		'killmail.com',
272		'killmail.net',
273		'kir.ch.tc',
274		'klassmaster.com',
275		'klassmaster.net',
276		'klzlk.com',
277		'koszmail.pl',
278		'kulturbetrieb.info',
279		'kurzepost.de',
280		'letthemeatspam.com',
281		'lhsdv.com',
282		'lifebyfood.com',
283		'link2mail.net',
284		'litedrop.com',
285		'lol.ovpn.to',
286		'lookugly.com',
287		'lopl.co.cc',
288		'lortemail.dk',
289		'lr78.com',
290		'm4ilweb.info',
291		'ma1l.bij.pl',
292		'maboard.com',
293		'mail-temporaire.fr',
294		'mail.by',
295		'mail.mezimages.net',
296		'mail2rss.org',
297		'mail333.com',
298		'mail4trash.com',
299		'mailbidon.com',
300		'mailblocks.com',
301		'mailcatch.com',
302		'maildrop.cc',
303		'maileater.com',
304		'mailed.in',
305		'mailexpire.com',
306		'mailfa.tk',
307		'mailfreeonline.com',
308		'mailimate.com',
309		'mailin8r.com',
310		'mailinater.com',
311		'mailinator.com',
312		'mailinator.net',
313		'mailinator2.com',
314		'mailincubator.com',
315		'mailismagic.com',
316		'mailme.ir',
317		'mailme.lv',
318		'mailmetrash.com',
319		'mailmoat.com',
320		'mailnator.com',
321		'mailnesia.com',
322		'mailnull.com',
323		'mailshell.com',
324		'mailsiphon.com',
325		'mailslite.com',
326		'mailtemp.info',
327		'mailtothis.com',
328		'mailzilla.com',
329		'mailzilla.org',
330		'mbx.cc',
331		'mega.zik.dj',
332		'meinspamschutz.de',
333		'meltmail.com',
334		'messagebeamer.de',
335		'mierdamail.com',
336		'mintemail.com',
337		'mjukglass.nu',
338		'mobi.web.id',
339		'moburl.com',
340		'moncourrier.fr.nf',
341		'monemail.fr.nf',
342		'monmail.fr.nf',
343		'monumentmail.com',
344		'msa.minsmail.com',
345		'mt2009.com',
346		'mt2014.com',
347		'mx0.wwwnew.eu',
348		'mycleaninbox.net',
349		'mypartyclip.de',
350		'myphantomemail.com',
351		'myspaceinc.com',
352		'myspaceinc.net',
353		'myspaceinc.org',
354		'myspacepimpedup.com',
355		'myspamless.com',
356		'mytempemail.com',
357		'mytrashmail.com',
358		'naver.com',
359		'neomailbox.com',
360		'nepwk.com',
361		'nervmich.net',
362		'nervtmich.net',
363		'netmails.com',
364		'netmails.net',
365		'netzidiot.de',
366		'neverbox.com',
367		'no-spam.ws',
368		'nobulk.com',
369		'noclickemail.com',
370		'nogmailspam.info',
371		'nomail.xl.cx',
372		'nomail2me.com',
373		'nomorespamemails.com',
374		'nospam.ze.tc',
375		'nospam4.us',
376		'nospamfor.us',
377		'nospamthanks.info',
378		'notmailinator.com',
379		'nowmymail.com',
380		'nullbox.info',
381		'nurfuerspam.de',
382		'nus.edu.sg',
383		'nwldx.com',
384		'objectmail.com',
385		'obobbo.com',
386		'odaymail.com',
387		'oneoffemail.com',
388		'onewaymail.com',
389		'onlatedotcom.info',
390		'online.ms',
391		'oopi.org',
392		'opayq.com',
393		'ordinaryamerican.net',
394		'otherinbox.com',
395		'ourklips.com',
396		'outlawspam.com',
397		'ovpn.to',
398		'owlpic.com',
399		'pancakemail.com',
400		'pimpedupmyspace.com',
401		'pjjkp.com',
402		'plexolan.de',
403		'politikerclub.de',
404		'poofy.org',
405		'pookmail.com',
406		'privacy.net',
407		'privymail.de',
408		'proxymail.eu',
409		'prtnx.com',
410		'punkass.com',
411		'putthisinyourspamdatabase.com',
412		'qq.com',
413		'quickinbox.com',
414		'rcpt.at',
415		'reallymymail.com',
416		'recode.me',
417		'recursor.net',
418		'regbypass.com',
419		'regbypass.comsafe-mail.net',
420		'rejectmail.com',
421		'rhyta.com',
422		'rklips.com',
423		'rmqkr.net',
424		'rppkn.com',
425		'rtrtr.com',
426		's0ny.net',
427		'safe-mail.net',
428		'safersignup.de',
429		'safetymail.info',
430		'safetypost.de',
431		'sandelf.de',
432		'saynotospams.com',
433		'selfdestructingmail.com',
434		'selfdestructingmail.org',
435		'sendspamhere.com',
436		'sharklasers.com',
437		'shieldedmail.com',
438		'shiftmail.com',
439		'shitmail.me',
440		'shortmail.net',
441		'sibmail.com',
442		'sify.com',
443		'skeefmail.com',
444		'slaskpost.se',
445		'slopsbox.com',
446		'slushmail.com',
447		'smaakt.naar.gravel',
448		'smapfree24.com',
449		'smapfree24.de',
450		'smapfree24.eu',
451		'smapfree24.info',
452		'smapfree24.org',
453		'smashmail.de',
454		'smellfear.com',
455		'snakemail.com',
456		'sneakemail.com',
457		'sofimail.com',
458		'sofort-mail.de',
459		'sogetthis.com',
460		'soodonims.com',
461		'spam.la',
462		'spam.su',
463		'spam4.me',
464		'spamavert.com',
465		'spambob.com',
466		'spambob.net',
467		'spambob.org',
468		'spambog.com',
469		'spambog.de',
470		'spambog.net',
471		'spambog.ru',
472		'spambox.info',
473		'spambox.irishspringrealty.com',
474		'spambox.org',
475		'spambox.us',
476		'spamcannon.com',
477		'spamcannon.net',
478		'spamcero.com',
479		'spamcon.org',
480		'spamcorptastic.com',
481		'spamcowboy.com',
482		'spamcowboy.net',
483		'spamcowboy.org',
484		'spamday.com',
485		'spamex.com',
486		'spamfree.eu',
487		'spamfree24.com',
488		'spamfree24.de',
489		'spamfree24.eu',
490		'spamfree24.info',
491		'spamfree24.net',
492		'spamfree24.org',
493		'spamgoes.in',
494		'spamgourmet.com',
495		'spamgourmet.net',
496		'spamgourmet.org',
497		'spamherelots.com',
498		'spamhereplease.com',
499		'spamhole.com',
500		'spamify.com',
501		'spaminator.de',
502		'spamkill.info',
503		'spaml.com',
504		'spaml.de',
505		'spammotel.com',
506		'spamobox.com',
507		'spamoff.de',
508		'spamslicer.com',
509		'spamspot.com',
510		'spamthis.co.uk',
511		'spamthisplease.com',
512		'spamtrail.com',
513		'speed.1s.fr',
514		'squizzy.de',
515		'supergreatmail.com',
516		'supermailer.jp',
517		'superrito.com',
518		'suremail.info',
519		'tagyourself.com',
520		'teewars.org',
521		'teleworm.com',
522		'teleworm.us',
523		'tempalias.com',
524		'tempe-mail.com',
525		'tempemail.biz',
526		'tempemail.com',
527		'tempemail.net',
528		'tempinbox.co.uk',
529		'tempinbox.com',
530		'temp-mail.ru',
531		'tempmail.it',
532		'tempmail2.com',
533		'tempomail.fr',
534		'temporarily.de',
535		'temporarioemail.com.br',
536		'temporaryemail.net',
537		'temporaryforwarding.com',
538		'temporaryinbox.com',
539		'tempymail.com',
540		'thanksnospam.info',
541		'thankyou2010.com',
542		'thisisnotmyrealemail.com',
543		'throwawayemailaddress.com',
544		'throam.com',
545		'tilien.com',
546		'tmail.com',
547		'tmailinator.com',
548		'toiea.com',
549		'tradermail.info',
550		'trash-amil.com',
551		'trash-mail.at',
552		'trash-mail.com',
553		'trash-mail.de',
554		'trash2009.com',
555		'trashemail.de',
556		'trashmail.at',
557		'trashmail.com',
558		'trashmail.de',
559		'trashmail.me',
560		'trashmail.net',
561		'trashmail.org',
562		'trashmail.ws',
563		'trashmailer.com',
564		'trashymail.com',
565		'trashymail.net',
566		'trbvm.com',
567		'trillianpro.com',
568		'turual.com',
569		'twinmail.de',
570		'tyldd.com',
571		'uggsrock.com',
572		'upliftnow.com',
573		'uplipht.com',
574		'venompen.com',
575		'veryrealemail.com',
576		'vidchart.com',
577		'viditag.com',
578		'viewcastmedia.com',
579		'viewcastmedia.net',
580		'viewcastmedia.org',
581		'webm4il.info',
582		'wegwerfadresse.de',
583		'wegwerfemail.de',
584		'wegwerfmail.de',
585		'wegwerfmail.net',
586		'wegwerfmail.org',
587		'wetrainbayarea.com',
588		'wetrainbayarea.org',
589		'wh4f.org',
590		'whatiaas.com',
591		'whatpaas.com',
592		'whyspam.me',
593		'willselfdestruct.com',
594		'winemaven.info',
595		'wronghead.com',
596		'wuzup.net',
597		'wuzupmail.net',
598		'www.e4ward.com',
599		'www.gishpuppy.com',
600		'www.mailinator.com',
601		'wwwnew.eu',
602		'xagloo.co',
603		'xagloo.com',
604		'xemaps.com',
605		'xents.com',
606		'xmail.com',
607		'xmaily.com',
608		'xoxy.net',
609		'yep.it',
610		'yogamaven.com',
611		'yopmail.com',
612		'yopmail.fr',
613		'yopmail.net',
614		'ypmail.webarnak.fr.eu.org',
615		'yuurok.com',
616		'zehnminutenmail.de',
617		'zippymail.info',
618		'zoaxe.com',
619		'zoemail.com',
620		'zoemail.org',
621		);
622
623		/**
624		* @var array
625		*/
626		public static $domainsTypo = array(
627		'',
628		'-online.de',
629		'-tonline.de',
630		'acor.de',
631		'aecor.de',
632		'ahoo.de',
633		'al.com',
634		'ao.com',
635		'aol.cm',
636		'aol.con',
637		'aol.ocm',
638		'aol.om',
639		'aoll.com',
640		'apl.com',
641		'arco.de',
642		'arocr.de',
643		'aror.de',
644		'feenet.de',
645		'freeenet.de',
646		'freeent.de',
647		'freeet.de',
648		'freemet.de',
649		'freeneet.de',
650		'freent.de',
651		'frenet.de',
652		'gm.de',
653		'gm.net',
654		'gm.xde',
655		'gmc.de',
656		'gmx.ded',
657		'gmx.dw',
658		'gmxx.de',
659		'gmy.de',
660		'gx.de',
661		'hmx.de',
662		'homail.de',
663		'hotmai.de',
664		'hotmal.de',
665		'mx.de',
666		'mx.net',
667		'otmail.com',
668		'r-online.de',
669		'rcor.de',
670		'reenet.de',
671		't--online.de',
672		't-0nline.de',
673		't-nline.de',
674		't-oline.de',
675		't-omline.de',
676		't-onine.de',
677		't-onlien.de',
678		't-onliine.de',
679		't-onlin.de',
680		't-onlinde.de',
681		't-onlinr.de',
682		't-onlione.de',
683		't-onlline.de',
684		't-onlne.de',
685		't-onlone.de',
686		't.-online.de',
687		't.online.de',
688		'tonline.de',
689		'wb.de',
690		'we.de',
691		'web.ded',
692		'web.dw',
693		'wed.de',
694		'weeb.de',
695		'wen.de',
696		'wweb.de',
697		'yaho.de',
698		'yahooo.de',
699		'yaoo.de',
700		'yhoo.de',
701		'yahhoo.de',
702		);
703
704		/**
705		* @var bool
706		*/
707		protected static $useDnsCheck = true;
708
709		/**
710		* Check if the email is valid.
711		*
712		* @param string $email
713		* @param bool $useExampleDomainCheck
714		* @param bool $useTypoInDomainCheck
715		* @param bool $useTemporaryDomainCheck
716		* @param bool $useDnsCheck (do not use, if you don't need it)
717		*
718		* @return bool
719		*/
720	151	public static function isValid($email, $useExampleDomainCheck = false, $useTypoInDomainCheck = false, $useTemporaryDomainCheck = false, $useDnsCheck = false)
721		{
722		// must be a string
723	151	if (!is_string($email)) {
724		return false;
725		}
726
727		// make sure string length is limited to avoid DOS attacks
728	151	$emailStringLength = strlen($email);
729		if (
730		$emailStringLength >= 320
731	151	\|\|
732		$emailStringLength <= 2 // i@y //
733	151	) {
734	4	return false;
735		}
736	149	unset($emailStringLength);
737
738	149	$email = str_replace(
739		array(
740	149	'.', // non-Latin chars are also allowed \| https://tools.ietf.org/html/rfc6530
741	149	'＠', // non-Latin chars are also allowed \| https://tools.ietf.org/html/rfc6530
742	149	),
743		array(
744	149	'.',
745	149	'@',
746	149	),
747		$email
748	149	);
749
750		if (
751	149	(strpos($email, '@') === false) // "at" is needed
752		\|\|
753	147	(strpos($email, '.') === false && strpos($email, ':') === false) // "dot" or "colon" is needed
754	149	) {
755	24	return false;
756		}
757
758	128	if (!preg_match('/^(?<local>.<?)(?:.)@(?<domain>.*)(?:>?)$/', $email, $parts)) {
759	9	return false;
760		}
761
762	119	$local = $parts['local'];
763	119	$domain = $parts['domain'];
764
765	119	if (!$local) {
766	2	return false;
767		}
768
769	118	if (!$domain) {
770		return false;
771		}
772
773		// Escaped spaces are allowed in the "local"-part.
774	118	$local = str_replace('\\ ', '', $local);
775
776		// Spaces in quotes e.g. "firstname lastname"@foo.bar are also allowed in the "local"-part.
777	118	$quoteHelperForIdn = false;
778	118	if (preg_match('/^"(?<inner>[^"]*)"$/mU', $local, $parts)) {
779	17	$quoteHelperForIdn = true;
780	17	$local = trim(
781	17	str_replace(
782	17	$parts['inner'],
783	17	str_replace(' ', '', $parts['inner']),
784		$local
785	17	),
786		'"'
787	17	);
788	17	}
789
790		if (
791	118	strpos($local, ' ') !== false // no spaces allowed, anymore
792	118	\|\|
793	108	strpos($local, '".') !== false // no quote + dot allowed
794	118	) {
795	13	return false;
796		}
797
798		if (
799	106	function_exists('idn_to_ascii')
800	106	&&
801	106	UTF8::max_chr_width($email) <= 3 // check for unicode chars with more then 3 bytes
802	106	) {
803
804	105	$localTmp = idn_to_ascii($local);
805	105	if ($localTmp) {
806	98	$local = $localTmp;
807	98	}
808	105	unset($localTmp);
809
810		// https://git.ispconfig.org/ispconfig/ispconfig3/blob/master/interface/lib/classes/functions.inc.php#L305
811	105	if(defined('IDNA_NONTRANSITIONAL_TO_ASCII') && defined('INTL_IDNA_VARIANT_UTS46') && constant('IDNA_NONTRANSITIONAL_TO_ASCII')) {
812	105	$domainTmp = idn_to_ascii($domain, IDNA_NONTRANSITIONAL_TO_ASCII, INTL_IDNA_VARIANT_UTS46);
813	105	} else {
814		$domainTmp = idn_to_ascii($domain);
815		}
816	105	if ($domainTmp) {
817	101	$domain = $domainTmp;
818	101	}
819	105	unset($domainTmp);
820
821	105	} else {
822
823	1	static $punycode = null;
824	1	if ($punycode === null) {
825	1	$punycode = new Punycode();
826	1	}
827
828		try {
829	1	$local = $punycode->encode($local);
830	1	} catch (LabelOutOfBoundsException $e) {
831		$local = '';
832		}
833
834		try {
835	1	$domain = $punycode->encode($domain);
836	1	} catch (LabelOutOfBoundsException $e) {
837		$domain = '';
838		}
839
840		}
841
842	106	if ($quoteHelperForIdn === true) {
843	17	$local = '"' . $local . '"';
844	17	}
845
846	106	$email = $local . '@' . $domain;
847
848	106	if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
849	63	return false;
850		}
851
852	44	if ($useExampleDomainCheck === true && self::isExampleDomain($domain) === true) {
853	2	return false;
854		}
855
856	44	if ($useTypoInDomainCheck === true && self::isTypoInDomain($domain) === true) {
857	1	return false;
858		}
859
860	44	if ($useTemporaryDomainCheck === true && self::isTemporaryDomain($domain) === true) {
861		return false;
862		}
863
864	44	if ($useDnsCheck === true && self::isDnsError($domain) === true) {
865	3	return false;
866		}
867
868	41	return true;
869		}
870
871		/**
872		* Check if the domain is a example domain.
873		*
874		* @param string $domain
875		*
876		* @return bool
877		*/
878	2	public static function isExampleDomain($domain)
879		{
880	2	if (in_array($domain, self::$domainsExample, true)) {
881	2	return true;
882		}
883
884	2	return false;
885		}
886
887		/**
888		* Check if the domain has a typo.
889		*
890		* @param string $domain
891		*
892		* @return bool
893		*/
894	3	public static function isTypoInDomain($domain)
895		{
896	3	if (in_array($domain, self::$domainsTypo, true)) {
897	2	return true;
898		}
899
900	3	return false;
901		}
902
903		/**
904		* Check if the domain is a temporary domain.
905		*
906		* @param string $domain
907		*
908		* @return bool
909		*/
910	3	public static function isTemporaryDomain($domain)
911		{
912	3	if (in_array($domain, self::$domainsTemporary, true)) {
913	1	return true;
914		}
915
916	3	return false;
917		}
918
919		/**
920		* Check if the domain has a typo.
921		*
922		* @param string $domain
923		*
924		* @return bool\|null will return null if we can't use the "checkdnsrr"-function
925		*
926		* @throws \Exception
927		*/
928	4	public static function isDnsError($domain)
929		{
930	4	if (function_exists('checkdnsrr')) {
931	4	return !checkdnsrr($domain . '.', 'MX') \|\| !checkdnsrr($domain, 'A');
932		}
933
934		throw new \Exception(' Can\'t call checkdnsrr');
935		}
936		}
937

voku / email-check

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EmailCheck B

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