What is WordPress Hook: auth_cookie_expiration
The auth_cookie_expiration hook in WordPress is used to set the expiration time for the authentication cookie. This hook allows developers to modify the default expiration time for the authentication cookie, which is used to authenticate a user’s login session.
Understanding the Hook: auth_cookie_expiration
The auth_cookie_expiration hook is located within the wp_validate_auth_cookie function in the wp-includes/pluggable.php file. This function is responsible for validating the authentication cookie and determining if a user is logged in. By using the auth_cookie_expiration hook, developers can modify the expiration time of the authentication cookie based on their specific requirements.
Hook Parameters (if applicable): auth_cookie_expiration
The auth_cookie_expiration hook does not accept any parameters or arguments. It simply allows developers to modify the expiration time of the authentication cookie.
Hook Doesn’t Work: auth_cookie_expiration
If the auth_cookie_expiration hook doesn’t work as expected, it could be due to conflicts with other plugins or themes that are also modifying the authentication cookie expiration. To troubleshoot this issue, developers should deactivate other plugins and switch to a default theme to see if the problem persists. Additionally, checking for any syntax errors in the code that modifies the hook can also help resolve the issue.
Best Practices & Usage Notes (if applicable): auth_cookie_expiration
When using the auth_cookie_expiration hook, it’s important to consider the security implications of modifying the expiration time of the authentication cookie. Developers should ensure that the new expiration time is appropriate for their specific use case and does not compromise the security of user login sessions.
Usage Example: auth_cookie_expiration
“`php
function custom_auth_cookie_expiration( $expiration, $user_id, $remember ) {
// Set the expiration time to 30 days
$expiration = 30 * DAY_IN_SECONDS;
return $expiration;
}
add_filter( ‘auth_cookie_expiration’, ‘custom_auth_cookie_expiration’, 10, 3 );
“`
