custom_posttype_glance.php

<?php
/**
 * Adding Custom post type counts in 'Right now' Dashboard widget.
 * Acording this changes :
 * - https://core.trac.wordpress.org/ticket/26571
 * - https://core.trac.wordpress.org/ticket/26495
 * now you can't use 'right_now_*' action API to show your custom post type count from your Dashboard.
 * But if you running WP 3.8 or above, you can use 'dashboard_glance_items' instead.
 * 
 * @package     Wordpress
 * @subpackage  Hooks
 * @author      Fery Wardiyanto <ferywardiyanto@gmail.com>
 * @link        http://feryardiant.github.com
 * @version     1.0
 */

// Add custom post types count action to WP Dashboard
add_action('dashboard_glance_items', 'custom_posttype_glance_items');

// Showing all custom posts count
function custom_posttype_glance_items()
{
	$glances = array();

	$args = array(
		'public'   => true,  // Showing public post types only
		'_builtin' => false  // Except the build-in wp post types (page, post, attachments)
	);

	// Getting your custom post types
	$post_types = get_post_types($args, 'object', 'and');

	foreach ($post_types as $post_type)
	{
		// Counting each post
		$num_posts = wp_count_posts($post_type->name);

		// Number format
		$num   = number_format_i18n($num_posts->publish);
		// Text format
		$text  = _n($post_type->labels->singular_name, $post_type->labels->name, intval($num_posts->publish));

		// If use capable to edit the post type
		if (current_user_can('edit_posts'))
		{
			// Show with link
			$glance = '<a class="'.$post_type->name.'-count" href="'.admin_url('edit.php?post_type='.$post_type->name).'">'.$num.' '.$text.'</a>';
		}
		else
		{
			// Show without link
			$glance = '<span class="'.$post_type->name.'-count">'.$num.' '.$text.'</span>';
		}

		// Save in array
		$glances[] = $glance;
	}

	// return them
	return $glances;
}