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How to delete cookies in php: 1. Use the "setcookie('cookiename', '')" method to set the cookie value to empty; 2. Use the "setcookie('cookiename', '', time( )-3600);" method.
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Two ways to delete/clear cookies in php
Set the cookie value to empty, that is: setcookie('cookiename', '') or setcookie(cookiename, NULL);
Set the cookie expiration time to the past, that is: setcookie ('cookiename','',time()-3600);
Method 1: Set the cookie value to empty
"; echo "You have successfully logged out."; ?>
Second method: Set the cookie expiration time to the past
"; echo "You have successfully logged out."; ?>
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