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');   
}   
}

$COOKNAME = 'ashuwp_view'; //cookie名称   
$TIME = 3600 * 24;   
$PATH = '/';   
 
$id = $posts[0]->ID;   
$expire = time() + $TIME; //cookie有效期   
if(isset($_COOKIE[$COOKNAME]))   
$cookie = $_COOKIE[$COOKNAME]; //获取cookie   
else  
$cookie = '';   
 
if(empty($cookie)){   
//如果没有cookie   
setcookie($COOKNAME, $id, $expire, $PATH);   
}else{   
//用a分割成数组   
$list = explode('a', $cookie);   
//如果已经存在本文的id   
if(!in_array($id, $list)){   
setcookie($COOKNAME, $cookie.'a'.$id, $expire, $PATH);   
}   
}

process_postviews();

<?php the_views(true,$post->ID);?>