Add all Custom Post Types to the WordPress At a Glance dashboard widget.

add_cpts_to_wordpress_dashboard.php

add_action( 'dashboard_glance_items', 'add_cpts_to_dashboard_ataglance' );
function add_cpts_to_dashboard_ataglance() {
	$args = array(
		'public' => true,
		'_builtin' => false
	);
	$output = 'object';
	$operator = 'and';

	$post_types = get_post_types( $args, $output, $operator );
	foreach ( $post_types as $post_type ) {
		$num_posts = wp_count_posts( $post_type->name );
		$num = number_format_i18n( $num_posts->publish );
		$text = _n( $post_type->labels->singular_name, $post_type->labels->name, intval( $num_posts->publish ) );
		if ( current_user_can( 'edit_posts' ) ) {
			$output = '<a href="edit.php?post_type=' . $post_type->name . '">' . $num . ' ' . $text . '</a>';
			echo '<li class="post-count ' . $post_type->name . '-count">' . $output . '</li>';
			} else {
			$output = '<span>' . $num . ' ' . $text . '</span>';
				echo '<li class="post-count ' . $post_type->name . '-count">' . $output . '</li>';
		}
	}
}