尝试仅在选定类别发布时发送推送通知

Question

我试图通过Wordpress插件发送推送通知，只有当我从给定类别发布时。但它没有用。

/ *添加新帖子时处理通知* /

function fcm_main_transition_post_new($new_status, $old_status, $post){
    $catId = get_cat_ID();
    if( $catId == 'Result'){
        fcm_notif_post_new($new_status, $old_status, $post);
    }
    else{
        echo "This category is not set to send push notification.";
    }
}

Answer 1

实际上$post变量是什么？如果是from WordPress core，请使用以下代码：

$categories = get_the_category( $post->ID );
foreach( $categories as $category ) {
    if( $category->cat_ID == 'Your category ID' ){
        // Send notification please
    }

    // If you need category slug check
    if( $category->cat_name == 'Your category slug' ){
        // Send notification please
    }
}

get_cat_ID()返回一个整数，而不是Result之类的字符串。