Coding horror found around #2

functions.php

function display_output($string = null){
      //   header('content-type: application/json; charset=utf-8');
    header("Access-Control-Allow-Origin: *");
	header("Content-Disposition: attachment; filename=output.json");
	header("Pragma: no-cache");
   header('Content-Type: text/html; charset=utf-8'); 
	header("Expires: 0");