A PHP cookie is a small file that is embeded on the user’s computer by the server. Each time the same computer requests a page with a browser, it will send the cookie too.
setcookie() function is used to set a cookie.
setcookie() function must appear BEFORE the <html> tag.
A cookie can be retrieve using
setcookie(cookie-name, value, expire, path(optional), domain(optional));
<?php $expire = time()+60*60*24*30; //set expiration time to (60 sec * 60 min * 24 hours * 30 days). setcookie("name", "Bryan Lusica", $expire); ?> <html> <head> <title>Test</title> </head> <body> <?php echo $_COOKIE["name"]; ?> </body> </html>
Deleting a Cookie
Unlike session, cookie does not have unset command. To delete a cookie, you need to set an empty value with an expiration time into a cookie which is less than the current time.
<?php // set the expiration date to one hour ago setcookie("name", "", time()-3600); ?>
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