Parse error: syntax error, unexpected '->' (T_OBJECT_OPERATOR) for PHP Version 5.6.30

[juari01]

Hello, anyone help this issue I'm running 5.6.30.

Parse error: syntax error, unexpected '->' (T_OBJECT_OPERATOR)
flmngr\vendor\edsdk\flmngr-server-php\src\FlmngrServer.php on line 152_

$preview[1] = ($preview[2] === FALSE ? $this->driverFiles : $this->driverCache)->get($preview[1]);

[juari01]

I change my code and I think its working..
$preview[1] = ($preview[2] === FALSE ? $this->driverFiles->get($preview[1]) : $this->driverCache->get($preview[1]));