is_user_logged_in

The timeline below displays how wordpress function is_user_logged_in has changed across different WordPress versions. If a version is not listed, refer to the next available version below.

WordPress Version: 5.0

/**
 * Determines whether the current visitor is a logged in user.
 *
 * For more information on this and similar theme functions, check out
 * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
 * Conditional Tags} article in the Theme Developer Handbook.
 *
 * @since 2.0.0
 *
 * @return bool True if user is logged in, false if not logged in.
 */
function is_user_logged_in()
{
    $user = wp_get_current_user();
    return $user->exists();
}

WordPress Version: 4.3

/**
 * Checks if the current visitor is a logged in user.
 *
 * @since 2.0.0
 *
 * @return bool True if user is logged in, false if not logged in.
 */
function is_user_logged_in()
{
    $user = wp_get_current_user();
    return $user->exists();
}

WordPress Version: 3.7

/**
 * Checks if the current visitor is a logged in user.
 *
 * @since 2.0.0
 *
 * @return bool True if user is logged in, false if not logged in.
 */
function is_user_logged_in()
{
    $user = wp_get_current_user();
    if (!$user->exists()) {
        return false;
    }
    return true;
}