Custom Post Types in Wordpress

CUSTOM POST TYPES

<?php
register_post_type('snippet',array(
 'public' => true,
 'label' => 'Snippet',
 'labels' => array(
  'add_new_item' => 'Add New Snippet'
  ),
 'supports' => array('title','editor','comments','thumbnail','excerpt')
 ));
?>

TO CREATE CATEGORIES & TAGS
<?php
'taxonomies' => array('category','post_tag')

add_action('init','custom_post_type');
?>

NEW TAXONOMY
<?php
add_action('init',function(){
register_taxonomy('language','snippet',array(
 'label' => 'Language'
 ));
});
?>

RESAVE PERMALINKS TO DISPLAY CUSTOM POST TYPES

TO DISPLAY TAXONOMY FOR CUSTOM POST TYPES
<?php
echo get_the_term_list(get_the_id(),'language','',',');
?>

TO DISPLAY TAGS
<?php the_tags(); ?>