WordPress中限制用户一天内的查看次数

//Add custom metadata fields
function add_view_count_meta() {
    add_meta_box('view_count_meta', '查看次数限制', 'view_count_meta_callback', 'post', 'side', 'high');
}
add_action('add_meta_boxes', 'add_view_count_meta');
function view_count_meta_callback($post) {

view_count = get_post_meta(post->ID, 'view_count', true);

echo '<p>查看次数: ' . $view_count . '</p>';

}
//Listen for page loading events and check the number of views WodePress

function check_view_count_limit() {

//Check if the user is logged in, you can modify this condition as needed

if (is_user_logged_in()) {

$user_id = get_current_user_id();

$post_id = get_the_ID();

$view_count_limit = 10; //Set viewing limit

view_count = get_post_meta(post_id, 'view_count', true);
    //If the number of views has not reached the limit
    if ($view_count &lt; $view_count_limit) {
        update_post_meta($post_id, &#39;view_count&#39;, $view_count + 1);
    } else {
        // WodePress.com Display a message informing the user that the viewing limit has been exceeded
        echo &#39;&lt;div class=&#34;notice notice-error is-dismissible&#34;&gt;
            &lt;p&gt;您已达到今天的查看次数限制。&lt;/p&gt;
          &lt;/div&gt;&#39;;
    }
}

}

add_action('the_content', 'check_view_count_limit');
//Reset viewing times (optional, such as resetting in the early morning every day)

function reset_view_count() {

$current_time = current_time('timestamp');

today_start = strtotime(date(&#39;Y-m-d&#39;, current_time));

$args = array(

'post_type' => 'post',

'posts_per_page' => -1,

'post_status' => 'any',

'meta_query' => array(

array(

'key' => 'last_reset_time',

'value' => $today_start,

'compare' => '<',

'type' => 'NUMERIC'

)

)

);
$posts = get_posts($args);

foreach ($posts as $post) {
    update_post_meta($post-&gt;ID, &#39;view_count&#39;, 0);
    update_post_meta($post-&gt;ID, &#39;last_reset_time&#39;, $today_start);
}

}

// WodePress Add this hook to the scheduled tasks that are executed every morning

add_action('wp_scheduled_task', 'reset_view_count_daily_task');
function reset_view_count_daily_task() {

if (!wp_next_scheduled('reset_view_count')) {

wp_schedule_event(time(), 'daily', 'reset_view_count');

}

}