statRequest.php

<?php
  session_id("statistics");                         //Selects this ID
  session_start();                                  //Starts a session

  $tier = $_REQUEST['filename'];
  $var_name = $_REQUEST['id'];

  if (isset($_SESSION["CREATION_DATE"])) {          //Sets the creation date
    if ($_SESSION["CREATION_DATE"] != date("Y-m-d")) {
      session_destroy();                            //If it is a different day it destroys the information
      $_SESSION["CREATION_DATE"] = date("Y-m-d");   //the session variable hold
    } else {
      $_SESSION["CREATION_DATE"] = date("Y-m-d");
    }
  }

  if (!isset($_SESSION[$tier]))
    $_SESSION[$tier] = getData($tier);

  function getData ($new_tier) {                    //This function downloads the statistics from the official smogon website
        $filename = "http://www.smogon.com/stats/date/moveset/".$new_tier;
        $contents = null;
        $i = 0;
        while ($contents == null) {
            $year = date("Y");
            $month = date("m")-$i;
            if ($month < 10)
                $month = "0".$month;
            $date = $year."-".$month;
            if (intval(get_http_response_code(str_replace("date", $date, $filename))) < 400) {
                $contents = file_get_contents(str_replace("date", $date, $filename));
            } else {
                $contents = null;
            }
            $i++;
            if ($i > 10)
                $contents = "not found!";
        }
        $contents = str_replace("\n", '" + "', $contents); //Replaces \n with ' + ' to concat each line of the text
        $contents = preg_replace('/\s+/', ' ', $contents); //Removes white spaces
        $contents = strtolower($contents);                 //Makes everything lower case
        return $contents;
    }
    function get_http_response_code($theURL) {
        $headers = get_headers($theURL);
        return substr($headers[0], 9, 3);
    }

  echo "<script>parent.".$var_name.' = "'.$_SESSION[$tier].'"; </script>';
?>