User name – Shortcode


// A shortcode to get the current username---------
// [---wp_get_current_user]

add_shortcode( 'wp_get_current_user' , 'wp_get_current_user_func' );
function wp_get_current_user_func( $atts ) {
$current_user = wp_get_current_user();

return $current_user->user_login;
}