php cookies
//Cookies //Cookies are stored on the client side. cookies are not as secure as sessions //and it is recommended that you use sessions as much as possible. ==================== Version 1 for cookies ==================== <?php if(isset($_COOKIE['nameofcookie'])){ echo 'User ' . $_COOKIE['nameofcookie'] . ' is set<br>'; }else{ echo'User is not set'; } ==================== Version 2 for cookies ==================== <?php //to change cookie setcookie('nameofcookie','Frank', time() + (86400 *30));//set for a day if(isset($_COOKIE['nameofcookie'])){ echo 'User ' . $_COOKIE['nameofcookie'] . ' is set<br>'; }else{ echo'User is not set'; } ======================= Version 3 for cookies ======================= <?php //to change cookie setcookie('nameofcookie','Frank', time() + (86400 *30));//set for a day //to unset a cookie just set the time that is already past //delete cookie setcookie('nameofcookie','Frank', time() -3600); if(isset($_COOKIE['nameofcookie'])){ echo 'User ' . $_COOKIE['nameofcookie'] . ' is set<br>'; }else{ echo'User is not set'; } ========================= Version 4 check for cookies ========================= <?php //to change cookie setcookie('nameofcookie','Frank', time() + (86400 *30));//set for a day if(count($_COOKIE) > 0){ echo 'There are ' . count($_COOKIE) . ' cookies saved<br>'; }else{ echo 'There are no cookies saved<br>'; } if(isset($_COOKIE['nameofcookie'])){ echo 'User ' . $_COOKIE['nameofcookie'] . ' is set<br>'; }else{ echo'User is not set'; }