wordpress functions add to header

1/* INSIDE YOUR functions.php theme file -> Add to header some code */
2add_action('wp_head', 'your_function_name');
3function your_function_name(){
4?>
5PASTE HEADER CODE HERE
6<?php
7};

1/* INSIDE functions.php */
2/* Describe what the code snippet does so you can remember later on */
3add_action('wp_head', 'your_function_name');
4function your_function_name(){
5?>
6PASTE HEADER CODE HERE
7<?php
8};