FrontController->getInstance() # line   12, file: /home/webdir/public_html/index.php
  FrontController->__construct() # line   32, file: /home/webdir/public_html/core/FrontController.php
    Controller->__construct() # line   43, file: /home/webdir/public_html/core/FrontController.php
      Session->getInstance() # line   46, file: /home/webdir/public_html/core/Controller.php
        Session->__construct() # line   24, file: /home/webdir/public_html/core/Session.php
          session_start() # line   35, file: /home/webdir/public_html/core/Session.php