WordPress 显示文章阅读量

函数定义在 function.php 文件中，

function getPostViews($postID) {
    $count_key = 'post_views_count';
    $count = get_post_meta ( $postID, $count_key, true );
    if ($count == '') {
        delete_post_meta ( $postID, $count_key );
        add_post_meta ( $postID, $count_key, '0' );
        return "0 View";
    }
    return $count . ' Views';
}

function setPostViews($postID) {
    $count_key = 'post_views_count';
    $count = get_post_meta ( $postID, $count_key, true );
    if ($count == '') {
        $count = 0;
        delete_post_meta ( $postID, $count_key );
        add_post_meta ( $postID, $count_key, '0' );
    } else {
        $count ++;
        update_post_meta ( $postID, $count_key, $count );
    }
}

实现方法：

// 在文章显示的模板页面添加下面的代码
<?php setPostViews(get_the_ID()); ?>
// 得到点击数量的方法
<?php echo getPostViews(get_the_ID()); ?>

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