From The Blog

PHP: make the cookies work globally on all subdomains

2 January 2013, in

To make cookies work globally on subdomains of a domain:

setcookie('CookieName', 'Value', time() + 3600, '/', '.mydomain.com');

Note: 
remember to use the dot (.) in '.mydomain.com' not 'mydomain.com'


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Javascript: dealing with cookies

14 February 2012, in
function createCookie(name,value,days) {
if (days) {
var date = new Date();
date.setTime(date.getTime()+(days*24*60*60*1000));
var expires = "; expires="+date.toGMTString();
}
else var expires = "";
document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
var nameEQ = 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(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
}
return null;
}

function eraseCookie(name) {


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