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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 2 times in this file.
Line | Code |
---|---|
804 | /** |
805 | * Filter the duration of the authentication cookie expiration period. |
806 | * |
807 | * @since 2.8.0 |
808 | * |
809 | * @param int $length Duration of the expiration period in seconds. |
810 | * @param int $user_id User ID. |
811 | * @param bool $remember Whether to remember the user login. Default false. |
812 | */ |
813 | $expiration = time() + apply_filters( 'auth_cookie_expiration', 14 * DAY_IN_SECONDS, $user_id, $remember ); |
814 |
|
815 | /* |
816 | * Ensure the browser will continue to send the cookie after the expiration time is reached. |
817 | * Needed for the login grace period in wp_validate_auth_cookie(). |
818 | */ |
819 | $expire = $expiration + ( 12 * HOUR_IN_SECONDS ); |
820 | } else { |
821 | /** This filter is documented in wp-includes/pluggable.php */ |
822 | $expiration = time() + apply_filters( 'auth_cookie_expiration', 2 * DAY_IN_SECONDS, $user_id, $remember ); |
823 | $expire = 0; |
824 | } |
825 |
|
826 | if ( '' === $secure ) { |
827 | $secure = is_ssl(); |
828 | } |
829 |
|
830 | // Front-end cookie is secure when the auth cookie is secure and the site's home URL is forced HTTPS. |
831 | $secure_logged_in_cookie = $secure && 'https' === parse_url( get_option( 'home' ), PHP_URL_SCHEME ); |