WordPress 教程：添加文章阅读量的最简单办法

//取得文章的阅读次数
function post_views($before = '点击 ', $after = ' 次', $echo = 1)
{
global $post;
$post_ID = $post->ID;
$views = (int)get_post_meta($post_ID, 'views', true);
if ($echo) echo $before, number_format($views), $after;
else return $views;
}
function record_visitors()
{
if (is_singular()) {
global $post;
$post_ID = $post->ID;
if($post_ID) {
$post_views = (int)get_post_meta($post_ID, 'views', true);
if(!update_post_meta($post_ID, 'views', ($post_views+1))) {
add_post_meta($post_ID, 'views', 1, true);
}
}
}
}
add_action('wp_head', 'record_visitors');