vendor/zendframework/zend-mail/src/Protocol/ProtocolTrait.php

   1 <?php
   2 /**
   3  * @see       https://github.com/zendframework/zend-mail for the canonical source repository
   4  * @copyright Copyright (c) 2005-2018 Zend Technologies USA Inc. (https://www.zend.com)
   5  * @license   https://github.com/zendframework/zend-mail/blob/master/LICENSE.md New BSD License
   6  */
   7
   8 namespace Zend\Mail\Protocol;
   9
  10 /**
  11  * https://bugs.php.net/bug.php?id=69195
  12  */
  13 trait ProtocolTrait
  14 {
  15     public function getCryptoMethod()
  16     {
  17         // Allow the best TLS version(s) we can
  18         $cryptoMethod = STREAM_CRYPTO_METHOD_TLS_CLIENT;
  19
  20         // PHP 5.6.7 dropped inclusion of TLS 1.1 and 1.2 in STREAM_CRYPTO_METHOD_TLS_CLIENT
  21         // so add them back in manually if we can
  22         if (defined('STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT')) {
  23             $cryptoMethod |= STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT;
  24             $cryptoMethod |= STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT;
  25         }
  26
  27         return $cryptoMethod;
  28     }
  29 }