How to create custom post type in wordpress

Anyone who’s worked with WordPress before will recognise the structure here. We’re adding an action when the WP Admin initialises to call the function portfolio_register(). In that function we create two arrays, $labels and $args, and then use register_post_type to pull it all together. In doing so we name the new custom post type ‘portfolio’ and tell it to use the arguments from $args.

Step 1

add_action('init', 'portfolio_register');

function portfolio_register() {

$labels = array(
'name' => _x('My Portfolio', 'post type general name'),
'singular_name' => _x('Portfolio Item', 'post type singular name'),
'add_new' => _x('Add New', 'portfolio item'),
'add_new_item' => __('Add New Portfolio Item'),
'edit_item' => __('Edit Portfolio Item'),
'new_item' => __('New Portfolio Item'),
'view_item' => __('View Portfolio Item'),
'search_items' => __('Search Portfolio'),
'not_found' => __('Nothing found'),
'not_found_in_trash' => __('Nothing found in Trash'),
'parent_item_colon' => ''
);

$args = array(
'labels' => $labels,
'public' => true,
'publicly_queryable' => true,
'show_ui' => true,
'query_var' => true,
'menu_icon' => get_stylesheet_directory_uri() . '/article16.png',
'rewrite' => true,
'capability_type' => 'post',
'hierarchical' => false,
'menu_position' => null,
'supports' => array('title','editor','thumbnail')
);

register_post_type( 'portfolio' , $args );
}

Descriptions
name – this is the (probably plural) name for our new post type
singular_name – how you’d refer to this in the singular (such as ‘Add new ****’)

You can probably work out the rest of $labels for yourself, as they simply refer to different circumstances in which the name of your custom post type would be used.

And now $args:

1 public – should they be shown in the admin UI
2 show_ui – should we display an admin panel for this custom post type
3 menu_icon – a custom icon for the admin panel
4 capability_type - WordPress will treat this as a ‘post’ for read, edit, and delete capabilities
5 hierarchical – is it hierarchical, like pages
6 rewrite – rewrites permalinks using the slug ‘portfolio’
7 supports – which items do we want to display on the add/edit post page

That’s the first simple step, and it should be enough to see your new custom post time in the WordPress admin. Save functions.php and take a look!

Step 2

The next thing we need to do is register a taxonomy. Or, in English, create categories for this new content type.

For example, in our portfolio we want to include the names of technologies and software used to create our work. I’m going to call this taxonomy ‘Skills’, and populate it with things like HTML, CSS and jQuery.

It’s just one line of code:

register_taxonomy("Skills", array("portfolio"), array("hierarchical" => true, "label" => "Skills", "singular_label" => "Skill", "rewrite" => true));

The first item here is the taxonomy name, ‘Skills’. The second is the name of the object type we’re applying it to, in our case the custom post type ‘portfolio’ (which is an array). Finally our arguments; you can find a full list at http://codex.wordpress.org/Function_Reference/register_taxonomy, and here we’re using just three which have the same meaning as described in Step 1.

Add that line of code in and you should now see: