<?php

if (!defined('WPO_VERSION')) die('No direct access allowed');

class WP_Optimization_pingbacks extends WP_Optimization {

	public $ui_sort_order = 6000;

	public function optimize() {
	
		$clean = "DELETE FROM `".$this->wpdb->comments."` WHERE comment_type = 'pingback';";
			
		$comments = $this->query($clean);

		$this->register_output(sprintf(_n('%d pingback deleted', '%d pingbacks deleted', $comments, 'wp-optimize'), number_format_i18n($comments)));
	}
	
	public function get_info() {

		$sql = "SELECT COUNT(*) FROM `".$this->wpdb->comments."` WHERE comment_type='pingback';";

		$comments = $this->wpdb->get_var($sql);
		
		if (!$comments == NULL || !$comments == 0) {
			$message = sprintf(_n('%d Pingback found', '%d Pingbacks found', $comments, 'wp-optimize'), number_format_i18n($comments));
		} else {
			$message = __('No pingbacks found', 'wp-optimize');
		}
		
		$this->register_output($message);
	}
	
	public function settings_label() {
		return __('Remove pingbacks', 'wp-optimize');
	}
}