Modify Navigation item( Changing log in text to My Account after successful login )

modify-navigarion-item-wordpress

function modify_login_menu_item( $item ) {

    if(isset($item->title)) {
        if( $item->title =='Log in' ) {
            if(is_user_logged_in()){
                $item->title = 'My Account';
            } 
        } elseif ( $item->title =='My Account' ) {
            if(!is_user_logged_in()){
                $item->title = 'Login';
            } 
        }
    }
    return $item;
}
add_filter( 'wp_setup_nav_menu_item', 'modify_login_menu_item' );