How can a cookie be deleted after making a database entry in PHP?

To delete a cookie after making a database entry in PHP, you can simply set the cookie with an expiration time in the past. This will effectively delete the cookie from the user's browser. 

// Make database entry

// Set cookie with expiration time in the past to delete it
setcookie('cookie_name', '', time() - 3600, '/');

Keywords

PHP cookie database entry delete unset

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