How can a stored cookie be updated with a new value in PHP?

To update a stored cookie with a new value in PHP, you can simply set a new cookie with the same name as the existing one. This will overwrite the old value with the new one. Make sure to set the same expiration time and path to ensure the cookie is updated correctly. 

// Update a stored cookie with a new value
$cookie_name = "user";
$cookie_value = "John";

// Set the new cookie with the same name to update the value
setcookie($cookie_name, "Jane", time() + 3600, "/");

Keywords

PHP cookie update setcookie value

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