增强型wordpress文章浏览量统计,支持重复刷新不增加

/***********文章统计*********/
function process_postviews() {
	global $user_ID, $post;
	if(check_cookie($post))
		return;
	if(is_int($post)) {
		$post = get_post($post);
	}
	if(!wp_is_post_revision($post)) {
		if(is_single() || is_page()) {
			$id = intval($post->ID);
			//$post_views = get_post_custom($id);   
			$post_views = get_post_meta($id,'_check_count',true);
			//统计所有人   
			$should_count = true;
			//排除机器人   
			$bots = array('Google Bot' => 'googlebot', 'Google Bot' => 'google', 'MSN' => 'msnbot', 'Alex' => 'ia_archiver', 'Lycos' => 'lycos', 'Ask Jeeves' => 'jeeves', 'Altavista' => 'scooter', 'AllTheWeb' => 'fast-webcrawler', 'Inktomi' => 'slurp@inktomi', 'Turnitin.com' => 'turnitinbot', 'Technorati' => 'technorati', 'Yahoo' => 'yahoo', 'Findexa' => 'findexa', 'NextLinks' => 'findlinks', 'Gais' => 'gaisbo', 'WiseNut' => 'zyborg', 'WhoisSource' => 'surveybot', 'Bloglines' => 'bloglines', 'BlogSearch' => 'blogsearch', 'PubSub' => 'pubsub', 'Syndic8' => 'syndic8', 'RadioUserland' => 'userland', 'Gigabot' => 'gigabot', 'Become.com' => 'become.com','Baidu Bot'=>'Baiduspider');
			$useragent = $_SERVER['HTTP_USER_AGENT'];
			foreach ($bots as $name => $lookfor) {
				if (stristr($useragent, $lookfor) !== false) {
					$should_count = false;
					break;
				}
			}
			if($should_count) {
				if(!update_post_meta($id, '_check_count', ($post_views+1))) {
					add_post_meta($id, '_check_count', 1, true);
				}
			}
		}
	}
}
 
function check_cookie($post){
	$COOKNAME = 'ashuwp_view';
	if(isset($_COOKIE[$COOKNAME]))
		$cookie = $_COOKIE[$COOKNAME];
	else
		return false;
	$id = $post->ID;
	if(empty($id)){
		return false;
	}
	if(!empty($cookie)){
		$list = explode('a', $cookie);
		if(!empty($list) && in_array($id, $list)){
			return true;
		}
	}
	return false;
}
### Function: Display The Post Views
function the_views($display = true,$id) {
	$post_views = intval(get_post_meta($id,'_check_count',true));
	$output = number_format_i18n($post_views);
	if($display) {
		echo $output;
	} else {
		return $output;
	}
}
 
### Function: Display Total Views
if(!function_exists('get_totalviews')) {
	function get_totalviews($display = true) {
		global $wpdb;
		$total_views = intval($wpdb->get_var("SELECT SUM(meta_value+0) FROM $wpdb->postmeta WHERE meta_key = '_check_count'"));
		if($display) {
			echo number_format_i18n($total_views);
		} else {
			return $total_views;
		}
	}
}
 
### Function: Add Views Custom Fields
add_action('publish_post', 'add_views_fields');
add_action('publish_page', 'add_views_fields');
function add_views_fields($post_ID) {
	global $wpdb;
	if(!wp_is_post_revision($post_ID)) {
		add_post_meta($post_ID, '_check_count', 0, true);
	}
}
### Function: Delete Views Custom Fields
add_action('delete_post', 'delete_views_fields');
function delete_views_fields($post_ID) {
	global $wpdb;
	if(!wp_is_post_revision($post_ID)) {
		delete_post_meta($post_ID, '_check_count');
	}
}