adding custom category and tag example

library/custom-post-type.php

@@ -50,9 +50,9 @@ function custom_post_example() {
 	 	) /* end of options */
 	); /* end of register post type */
 	
-	/* this ads regular categories to your custom post type */
+	/* this ads your post categories to your custom post type */
 	register_taxonomy_for_object_type('category', 'custom_type');
-	/* this ads regular tags to your custom post type */
+	/* this ads your post tags to your custom post type */
 	register_taxonomy_for_object_type('post_tag', 'custom_type');
 	
 } 
@@ -60,10 +60,15 @@ function custom_post_example() {
 	// adding the function to the Wordpress init
 	add_action( 'init', 'custom_post_example');
 	
-	// now let's add custom categories (http://codex.wordpress.org/Function_Reference/register_taxonomy)
+	/*
+	for more information on taxonomies, go here:
+	http://codex.wordpress.org/Function_Reference/register_taxonomy
+	*/
+	
+	// now let's add custom categories (these act like categories)
     register_taxonomy( 'custom_cat', 
     	array('custom_type'), /* if you change the name of register_post_type( 'custom_type', then you have to change this */
-    	array('hierarchical' => true,                    
+    	array('hierarchical' => true,     /* if this is true it acts like categories               
     		'labels' => array(
     			'name' => __( 'Custom Categories' ), /* name of the custom taxonomy */
     			'singular_name' => __( 'Custom Category' ), /* single taxonomy name */
@@ -80,6 +85,27 @@ function custom_post_example() {
     		'query_var' => true,
     	)
     );   
+    
+	// now let's add custom tags (these act like categories)
+    register_taxonomy( 'custom_tag', 
+    	array('custom_type'), /* if you change the name of register_post_type( 'custom_type', then you have to change this */
+    	array('hierarchical' => false,    /* if this is false, it acts like tags */                
+    		'labels' => array(
+    			'name' => __( 'Custom Tags' ), /* name of the custom taxonomy */
+    			'singular_name' => __( 'Custom Tag' ), /* single taxonomy name */
+    			'search_items' =>  __( 'Search Custom Tags' ), /* search title for taxomony */
+    			'all_items' => __( 'All Custom Tags' ), /* all title for taxonomies */
+    			'parent_item' => __( 'Parent Custom Tag' ), /* parent title for taxonomy */
+    			'parent_item_colon' => __( 'Parent Custom Tag:' ), /* parent taxonomy title */
+    			'edit_item' => __( 'Edit Custom Tag' ), /* edit custom taxonomy title */
+    			'update_item' => __( 'Update Custom Tag' ), /* update title for taxonomy */
+    			'add_new_item' => __( 'Add New Custom Tag' ), /* add new title for taxonomy */
+    			'new_item_name' => __( 'New Custom Tag Name' ) /* name title for taxonomy */
+    		),
+    		'show_ui' => true,
+    		'query_var' => true,
+    	)
+    ); 
 	
 
 ?>