src/Common/Utils/ValidationUtils.php

   1 <?php
   2
   3 /**
   4  * ValidationUtils is intended for validation methods that are used in OpenEMR.
   5  *
   6  * @package   OpenEMR
   7  * @link      http://www.open-emr.org
   8  * @author    Cassian LUP <cassi.lup@gmail.com>
   9  * @author    Stephen Nielson <snielson@discoverandchange.com>
  10  * @copyright Copyright (c) 2011 Cassian LUP <cassi.lup@gmail.com>
  11  * @copyright Copyright (c) 2022 Discover and Change, Inc <snielson@discoverandchange.com>
  12  * @license   https://github.com/openemr/openemr/blob/master/LICENSE GNU General Public License 3
  13  */
  14
  15 namespace OpenEMR\Common\Utils;
  16
  17 class ValidationUtils
  18 {
  19     public static function isValidEmail($email)
  20     {
  21         // FILTER_FLAG_EMAIL_UNICODE allows for unicode characters in the local (part before the @) of the email
  22         if (filter_var($email, FILTER_VALIDATE_EMAIL, FILTER_FLAG_EMAIL_UNICODE)) {
  23             // TODO: OpenEMR has used this validator regex for 11+ years... leaving this line in case we need to revert
  24             // on January 30th 2023 added the ability to support SMTP label addresses such as myname+label@gmail.com
  25             // Fixes #6159 (openemr/openemr/issues/6159)
  26
  27 //        if (preg_match("/^[_a-z0-9-]+(\.[_a-z0-9-\+]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$/i", $email)) {
  28             return true;
  29         }
  30
  31         return false;
  32     }
  33 }