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Add CPT and Taxonomy to ‘At A Glance’ Section

//Add All Custom Posts and Taxonomies to At A Glance
add_action( 'dashboard_glance_items', 'cor_right_now_content_table_end' );
function cor_right_now_content_table_end() {
$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 . '&nbsp;' . $text . '</a>';
    }
    echo '<li class="post-count ' . $post_type->name . '-count">' . $output . '</li>';
}
$taxonomies = get_taxonomies( $args, $output, $operator );
foreach ( $taxonomies as $taxonomy ) {
    $num_terms = wp_count_terms( $taxonomy->name );
    $num = number_format_i18n( $num_terms );
    $text = _n( $taxonomy->labels->singular_name, $taxonomy->labels->name, intval( $num_terms ) );
    if ( current_user_can( 'manage_categories' ) ) {
        $output = '<a href="edit-tags.php?taxonomy=' . $taxonomy->name . '">' . $num . '&nbsp;' . $text . '</a>';
    }
    echo '<li class="taxonomy-count ' . $taxonomy->name . '-count">' . $output . '</li>';
}
}

// Add Some CSS to "At a Glance" Widget
function custom_colors() {
echo '<style type="text/css">
	    .location-count a:before {content:"f230"!important}
	    .artifact-count a:before {content:"f157"!important}
	    .essay-count a:before {content:"f331"!important}
    </style>';
}
add_action('admin_head', 'custom_colors');