<?

// this is a php script that will be called using AJAX by a muschoose form handler
// in orer to get the next stimulus ID through a socket call to MATRPC, and then
// return it to the muschoose application

include_once('../include/subject_includes.php');

$_SESSION['submit_stimulus_id'] = TRUE;

//get info from experiment_x_form and form tables
include_once('query_form_info.php');

//only play stim if soundCompleted was not sent by flash player, or we are not revisiting the form because of an error in the response posting
$play_stim = (!($_SESSION['stimulus_completed']) && !( isset($_GET['inline_error_message']) && ($_GET['inline_error_message'] != "") || isset($_POST['inline_error_message']) && ($_POST['inline_error_message'] != "") ));

if($play_stim) {
  $matlab_call = parse_matlab_arguments($row_form_info['stimulus_matlab']);
  $stimulus_id = matrpc_message($matlab_call);
  $stimInfo = get_stim_file_info_from_ID($stimulus_id);
  $arr = array('url' => $stimInfo['url'],'stimid' => $stimulus_id);
  echo json_encode($arr);
} else {
  print("error");
}

?>