error on function call

Thanks. I switched over to    $email = $this->input->post('email');

and it still jumps to that same line in Codeigniter.php. strange.
* ------------------------------------------------------
*  Call the requested method
* ------------------------------------------------------
*/
  call_user_func_array(array(&$CI, $method), $params);

  // Mark a benchmark end point
  $BM->mark('controller_execution_time_( '.$class.' / '.$method.' )_end');    <<this line

/*

---

Thanks. Seems like a phpStorm issue. I switched on "waiting for debug connection" in the debugger, and the problem went away!

proof that an old dog can learn new tricks