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PHP Parse Erroryii\base\ErrorException

syntax error, unexpected '?'

  • 1. in /alidata/www/jqn2/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/EsmtpTransport.php at line 211
    202203204205206207208209210211212213214215216217218219220
        }
     
        /**
         * Returns the IP used to connect to the destination.
         *
         * @return string
         */
        public function getSourceIp()
        {
            return $this->params['sourceIp'] ?? null;
        }
     
        /**
         * Set ESMTP extension handlers.
         *
         * @param Swift_Transport_EsmtpHandler[] $handlers
         *
         * @return $this
         */
    
  • $_SESSION = [
        '__flash' => [],
    ];