Cacher is the code snippet organizer for pro developers

function logged_in_username(){
global $current_user; wp_get_current_user(); 
 if ( is_user_logged_in() ) { 
 echo "\n"; echo 'Hey ' . $current_user->display_name . "!\n Not you? <a href='". esc_url( wc_logout_url( wc_get_page_permalink( 'myaccount' ) ) ) ."' class='header-login-link'>Logout</a>";} 
else { 
	
	
echo 'Register or sign in!';	
	

}
}
add_shortcode( 'username_login', 'logged_in_username');