cookie.php

<?php
  function cookie_create($name, $data, $expiretime=5){
    global $cookie_debug;
    $expiretime = 86400*$expiretime ;
    $expiretime = time()+$expiretime;
    $name = md5($name);
    $data = cookie_encrypt($data);
    setcookie($name, $data, $expiretime, '/', '.'.cookie_getDomainFromURL($_SERVER['SERVER_NAME']));
    return true;
  }
  function cookie_destroy($name){
    $expiretime = time();
    $name = md5($name);
    setcookie($name, "", $expiretime, '/', '.'.cookie_getDomainFromURL($_SERVER['SERVER_NAME']));
    return true;
  }
  function cookie_read($name){
    $name = md5($name);
    if(!ib($_COOKIE[$name])){
      $data = $_COOKIE[$name];
      $data = cookie_decrypt($data);
      return $data;
    } else {
      return null;
    }
  }
  function cookie_encrypt($input){
    $salt = substr(md5($_SERVER['REMOTE_ADDR'].$_SERVER['SERVER_ADDR']), 0, 32);
    return trim(base64_encode(mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $salt, $input, MCRYPT_MODE_ECB, mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB), MCRYPT_RAND))));
  }
  function cookie_decrypt($input){
    $salt = substr(md5($_SERVER['REMOTE_ADDR'].$_SERVER['SERVER_ADDR']), 0, 32);
    return trim(mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $salt, base64_decode($input), MCRYPT_MODE_ECB, mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB), MCRYPT_RAND)));
  }
  function cookie_getDomainFromURL($url){
    //$url= parse_url($url, PHP_URL_HOST);
    $url= str_replace("http://","",$url);
    $url= str_replace("https://","",$url);
    $url= str_replace("ftp://","",$url);
    $url= str_replace("www.","",$url);
    $url= str_replace("api.","",$url);
    $url= str_replace("//","",$url);
    $url= explode("/",$url);
    $url= explode("?",$url[0]);
    $url= explode("#",$url[0]);
    return ($url[0]);
  }
  ?>