Php and Javascript Cookies

Set cookie through PHP and get through JavaScript

<?php
//Page: set_cookie.php
//$_SERVER['HTTP_HOST'] = 'http://www.webduos.com ';
// localhost create problem on IE so this line
// to get the top level domain
$myDomain = ereg_replace('^[^\.]*\.([^\.]*)\.(.*)$', '\1.\2', $_SERVER['HTTP_HOST']);
$setDomain = ($_SERVER['HTTP_HOST']) != "localhost" ? ".$myDomain" : false;
setcookie ("site", 'http://only-your-views.blogspot.com', time()+3600*24*(2), '/', "$setDomain", 0 );
// You can change (2) to any negative value (-2) for deleting it. It is number of days for cookie to keep live. Any -ve number will tell browser that it is useless now.
?>

Page: get_cookie.html

<script>
function readCookie(name) {
 var cookiename = name + "=";
 var ca = document.cookie.split(';');
 for(var i=0;i < ca.length;i++)
 {
  var c = ca[i];
  while (c.charAt(0)==' ') c = c.substring(1,c.length);
  if (c.indexOf(cookiename) == 0) return c.substring(cookiename.length,c.length);
 }
 return null;
}
document.write("n" + readCookie('site'));
</script>

Set cookie through JavaScript and get through PHP

Page: set_cookie.html

<script>
document.cookie = 'name=David' ;
</script>
Page: get_cookie.php
<?php
var_dump($_COOKIE['name']);
?>

Set cookie through JavaScript and get through JavaScript

<script type="text/javascript">
days = 3; // -ve for deleting it.
var date = new Date();
date.setTime(date.getTime ()+(days*24*60*60*1000));
var expires = "; expires="+date.toGMTString();
document.cookie = 'language=ruby' + expires;
function readCookie(name)
{
 var cookiename = name + "=";
 var ca = document.cookie.split(';');
 for(var i=0;i < ca.length;i++)
 {
  var c = ca[i];
  while (c.charAt(0)==' ') c = c.substring(1,c.length);
   if (c.indexOf(cookiename) == 0) return c.substring(cookiename.length,c.length);
 }
 return null;
}
// refresh the page for getting the value or use this line in another page
document.write("n" + readCookie('language'));
</script>

Set cookie through PHP and get through PHP

<?php
//$_SERVER['HTTP_HOST'] = 'http://www.example.com ';
// localhost create problem on IE so this line
// to get the top level domain
$myDomain = ereg_replace('^[^\.]*\.([^\.]*)\.(.*)$', '\1.\2', $_SERVER['HTTP_HOST']);
$setDomain = ($_SERVER['HTTP_HOST']) != "localhost" ? ".$myDomain" : false;

setcookie ("site2", 'http://only-your-views.blogspot.com', time()+3600*24*(2), '/', "$setDomain", 0 );
echo @$_COOKIE ['site2'];
?>

Tags: Php Cookies, Cookies, Javascript, Javaceipt cookies