February 12, 2011 
Definition:
function wp_set_auth_cookie($user_id, $remember = false, $secure = '') {}
Sets the authentication cookies based User ID.
The $remember parameter increases the time that the cookie will be kept. The default the cookie is kept without remembering is two days. When $remember is set, the cookies will be kept for 14 days or two weeks.
Parameters
- int $user_id: User ID
- bool $remember: Whether to remember the user
- $secure
Defined filters
- auth_cookie_expiration
apply_filters('auth_cookie_expiration', 1209600, $user_id, $remember) - auth_cookie_expiration
apply_filters('auth_cookie_expiration', 172800, $user_id, $remember) - secure_auth_cookie
apply_filters('secure_auth_cookie', $secure, $user_id) - secure_logged_in_cookie
apply_filters('secure_logged_in_cookie', false, $user_id, $secure)
Defined actions
- set_auth_cookie
do_action('set_auth_cookie', $auth_cookie, $expire, $expiration, $user_id, $scheme); - set_logged_in_cookie
do_action('set_logged_in_cookie', $logged_in_cookie, $expire, $expiration, $user_id, 'logged_in');
Source code
function wp_set_auth_cookie($user_id, $remember = false, $secure = '') {
if ( $remember ) {
$expiration = $expire = time() + apply_filters('auth_cookie_expiration', 1209600, $user_id, $remember);
} else {
$expiration = time() + apply_filters('auth_cookie_expiration', 172800, $user_id, $remember);
$expire = 0;
}
if ( '' === $secure )
$secure = is_ssl();
$secure = apply_filters('secure_auth_cookie', $secure, $user_id);
$secure_logged_in_cookie = apply_filters('secure_logged_in_cookie', false, $user_id, $secure);
if ( $secure ) {
$auth_cookie_name = SECURE_AUTH_COOKIE;
$scheme = 'secure_auth';
} else {
$auth_cookie_name = AUTH_COOKIE;
$scheme = 'auth';
}
$auth_cookie = wp_generate_auth_cookie($user_id, $expiration, $scheme);
$logged_in_cookie = wp_generate_auth_cookie($user_id, $expiration, 'logged_in');
do_action('set_auth_cookie', $auth_cookie, $expire, $expiration, $user_id, $scheme);
do_action('set_logged_in_cookie', $logged_in_cookie, $expire, $expiration, $user_id, 'logged_in');
setcookie($auth_cookie_name, $auth_cookie, $expire, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN, $secure, true);
setcookie($auth_cookie_name, $auth_cookie, $expire, ADMIN_COOKIE_PATH, COOKIE_DOMAIN, $secure, true);
setcookie(LOGGED_IN_COOKIE, $logged_in_cookie, $expire, COOKIEPATH, COOKIE_DOMAIN, $secure_logged_in_cookie, true);
if ( COOKIEPATH != SITECOOKIEPATH )
setcookie(LOGGED_IN_COOKIE, $logged_in_cookie, $expire, SITECOOKIEPATH, COOKIE_DOMAIN, $secure_logged_in_cookie, true);
}
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