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EmailValidator.php in Zircon Profile 8

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vendor/egulias/email-validator/src/Egulias/EmailValidator/EmailValidator.php
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<?php

namespace Egulias\EmailValidator;


/**
 * EmailValidator
 *
 * @author Eduardo Gulias Davis <me@egulias.com>
 */
class EmailValidator {
  const ERR_CONSECUTIVEATS = 128;
  const ERR_EXPECTING_DTEXT = 129;
  const ERR_NOLOCALPART = 130;
  const ERR_NODOMAIN = 131;
  const ERR_CONSECUTIVEDOTS = 132;
  const ERR_ATEXT_AFTER_CFWS = 133;
  const ERR_ATEXT_AFTER_QS = 134;
  const ERR_ATEXT_AFTER_DOMLIT = 135;
  const ERR_EXPECTING_QPAIR = 136;
  const ERR_EXPECTING_ATEXT = 137;
  const ERR_EXPECTING_QTEXT = 138;
  const ERR_EXPECTING_CTEXT = 139;
  const ERR_BACKSLASHEND = 140;
  const ERR_DOT_START = 141;
  const ERR_DOT_END = 142;
  const ERR_DOMAINHYPHENSTART = 143;
  const ERR_DOMAINHYPHENEND = 144;
  const ERR_UNCLOSEDQUOTEDSTR = 145;
  const ERR_UNCLOSEDCOMMENT = 146;
  const ERR_UNCLOSEDDOMLIT = 147;
  const ERR_FWS_CRLF_X2 = 148;
  const ERR_FWS_CRLF_END = 149;
  const ERR_CR_NO_LF = 150;
  const ERR_DEPREC_REACHED = 151;
  const RFC5321_TLD = 9;
  const RFC5321_TLDNUMERIC = 10;
  const RFC5321_QUOTEDSTRING = 11;
  const RFC5321_ADDRESSLITERAL = 12;
  const RFC5321_IPV6DEPRECATED = 13;
  const CFWS_COMMENT = 17;
  const CFWS_FWS = 18;
  const DEPREC_LOCALPART = 33;
  const DEPREC_FWS = 34;
  const DEPREC_QTEXT = 35;
  const DEPREC_QP = 36;
  const DEPREC_COMMENT = 37;
  const DEPREC_CTEXT = 38;
  const DEPREC_CFWS_NEAR_AT = 49;
  const RFC5322_LOCAL_TOOLONG = 64;
  const RFC5322_LABEL_TOOLONG = 63;
  const RFC5322_DOMAIN = 65;
  const RFC5322_TOOLONG = 66;
  const RFC5322_DOMAIN_TOOLONG = 255;
  const RFC5322_DOMAINLITERAL = 70;
  const RFC5322_DOMLIT_OBSDTEXT = 71;
  const RFC5322_IPV6_GRPCOUNT = 72;
  const RFC5322_IPV6_2X2XCOLON = 73;
  const RFC5322_IPV6_BADCHAR = 74;
  const RFC5322_IPV6_MAXGRPS = 75;
  const RFC5322_IPV6_COLONSTRT = 76;
  const RFC5322_IPV6_COLONEND = 77;
  const DNSWARN_NO_MX_RECORD = 5;
  const DNSWARN_NO_RECORD = 6;
  protected $parser;
  protected $warnings = array();
  protected $error;
  protected $threshold = 255;
  public function __construct() {
    $this->parser = new EmailParser(new EmailLexer());
  }
  public function isValid($email, $checkDNS = false, $strict = false) {
    try {
      $this->parser
        ->parse((string) $email);
      $this->warnings = $this->parser
        ->getWarnings();
    } catch (\Exception $e) {
      $rClass = new \ReflectionClass($this);
      $this->error = $rClass
        ->getConstant($e
        ->getMessage());
      return false;
    }
    $dns = true;
    if ($checkDNS) {
      $dns = $this
        ->checkDNS();
    }
    if ($this
      ->hasWarnings() && (int) max($this->warnings) > $this->threshold) {
      $this->error = self::ERR_DEPREC_REACHED;
      return false;
    }
    return !$strict || !$this
      ->hasWarnings() && $dns;
  }

  /**
   * @return boolean
   */
  public function hasWarnings() {
    return !empty($this->warnings);
  }

  /**
   * @return array
   */
  public function getWarnings() {
    return $this->warnings;
  }

  /**
   * @return string
   */
  public function getError() {
    return $this->error;
  }

  /**
   * @param int $threshold
   *
   * @return EmailValidator
   */
  public function setThreshold($threshold) {
    $this->threshold = (int) $threshold;
    return $this;
  }

  /**
   * @return int
   */
  public function getThreshold() {
    return $this->threshold;
  }
  protected function checkDNS() {
    $checked = true;
    $result = checkdnsrr(trim($this->parser
      ->getParsedDomainPart()), 'MX');
    if (!$result) {
      $this->warnings[] = self::DNSWARN_NO_RECORD;
      $checked = false;
      $this
        ->addTLDWarnings();
    }
    return $checked;
  }
  protected function addTLDWarnings() {
    if (!in_array(self::DNSWARN_NO_RECORD, $this->warnings) && !in_array(self::DNSWARN_NO_MX_RECORD, $this->warnings) && in_array(self::RFC5322_DOMAINLITERAL, $this->warnings)) {
      $this->warnings[] = self::RFC5321_TLD;
    }
  }

}

Classes

Namesort descending Description
EmailValidator EmailValidator