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Description

The wp_authenticate_user filter hook is used to perform additional validation/authentication any time a user logs in to WordPress.

Parameters

$user

(object) (required) The WP_User() object of the user being edited, or a WP_Error() object if validation has already failed.

Default: WP_User

$password

(string) (optional) The user's password (plain text).

Default: None

Returns

This hook should return either a WP_User() object or, if generating an error, a WP_Error() object.

Examples

The basic usage is as follows...

add_filter('wp_authenticate_user', 'myplugin_auth_login',10,2);
function myplugin_auth_login ($user, $password) {
     //do any extra validation stuff here
     return $user;
}

This hook passes two parameters, $user and $password (plaintext). In order to generate an error on login, you will need to return a new WP_Error() object.

Source File

The wp_authenticate_user hook is located in /wp-includes/user.php within wp_authenticate_username_password()

Related

Filter Hooks

• authenticate
• wp_authenticate_user

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