Tools, FAQ, Tutorials:
Removing a Cookie in PHP
How To Remove a Cookie in PHP?
✍: FYIcenter.com
Once a cookie is sent from the server to the browser, there is no direct way for the server to ask the browser to remove the cookie. But you can use the setcookie() function to send the same cookie to browser with a negative expiration time, which will cause the browser to expire (remove) the cookie immediately. The next sample PHP page will let you remove "CouponNumber" and CouponValue" persisted by the previous tutorial exercise:
<?php setcookie("CouponNumber","",time()-1); setcookie("CouponValue","",time()-1); print("<pre>\n"); print("2 cookies were delivered with past times.\n"); $count = count($_COOKIE); print("$count cookies received.\n"); foreach ($_COOKIE as $name => $value) { print " $name = $value\n"; } print("</pre>\n"); ?>
Open your browser to visit this page: http://localhost/removing_cookies.php. You will see:
2 cookies were delivered with past times. 2 cookies received. CouponNumber = 07470433 CouponValue = 100.00
Click the refresh button, you will see:
2 cookies were delivered with past times. 0 cookies received.
As you can see, both cookies are removed.
⇒ Domain and Path Attributes for Cookies in PHP
⇐ Testing Persistent Cookies in PHP
2016-11-03, 1638🔥, 0💬
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