pushdeer/plugins/wordpress/pushdeer_wordpress_comment_notice/pushdeer.php

<?php
// require_once __DIR__ .'/helper.php';
/**
 * The plugin bootstrap file
 *
 * This file is read by WordPress to generate the plugin information in the plugin
 * admin area. This file also includes all of the dependencies used by the plugin,
 * registers the activation and deactivation functions, and defines a function
 * that starts the plugin.
 *
 * @link              https://01.ftqq.com/2021/08/24/wordpress-comments-notice-plugin/
 * @since             1.0.1
 * @package           Pushdeer_Wordpress_notice
 *
 * @wordpress-plugin
 * Plugin Name:       PushDeer通知
 * Plugin URI:        https://blog.ftqq.com/2021/08/24/wordpress-comments-notice-plugin/
 * Description:       将WordPress通知推送到手机（目前支持：新评论通知）
 * Version:           1.0.1
 * Author:            Easy
 * Author URI:        http://blog.ftqq.com/
 * Text Domain:       pushdeer-wordpress-notice
 * Domain Path:       /languages
 */

// If this file is called directly, abort.
if (! defined('WPINC')) {
    die;
}

/**
 * Currently plugin version.
 * Start at version 1.0.0 and use SemVer - https://semver.org
 * Rename this for your plugin and update it as you release new versions.
 */
define('Pushdeer_VERSION', '1.0.1');


function ftqq_pushdeer_settings_init()
{
    // 为 阅读 页面注册新设置
    register_setting('discussion', 'ftqq_pushdeer_settings');
 
    // 在阅读页面上注册新分节
    add_settings_section(
        'ftqq_pushdeer_settings_section',
        'PushDeer',
        'ftqq_pushdeer_settings_section_cb',
        'discussion'
    );

    add_settings_field(
        'ftqq_pushdeer_settings_is_on',
        '是否开启PushDeer通知',
        'ftqq_pushdeer_settings_is_on_cb',
        'discussion',
        'ftqq_pushdeer_settings_section'
    );
 
    add_settings_field(
        'ftqq_pushdeer_settings_pushkey',
        'Pushkey',
        'ftqq_pushdeer_settings_pushkey_cb',
        'discussion',
        'ftqq_pushdeer_settings_section'
    );

    add_settings_field(
        'ftqq_pushdeer_settings_author_not_send',
        '不发送作者自己的评论通知',
        'ftqq_pushdeer_settings_author_not_send_cb',
        'discussion',
        'ftqq_pushdeer_settings_section'
    );
}

function ftqq_pushdeer_settings_section_cb()
{
    echo "<p>通过PushDeer向手机发送通知</p>";
}

function ftqq_pushdeer_settings_is_on_cb()
{
    $setting = get_option('ftqq_pushdeer_settings');

    $html = '<input type="checkbox" id="ftqq_pushdeer_is_on" name="ftqq_pushdeer_settings[is_on]" value="1"' . checked(1, @$setting['is_on'], false) . '/>';

    echo $html;
}

function ftqq_pushdeer_settings_pushkey_cb()
{
    $setting = get_option('ftqq_pushdeer_settings');
    // 输出字段?>
<input type="text" name="ftqq_pushdeer_settings[pushkey]" value=<?php echo isset($setting['pushkey']) ? esc_attr($setting['pushkey']) : ''; ?>>
<?php
}

function ftqq_pushdeer_settings_author_not_send_cb()
{
    $setting = get_option('ftqq_pushdeer_settings');

    $html = '<input type="checkbox" id="ftqq_pushdeer_author_send" name="ftqq_pushdeer_settings[author_not_send]" value="1"' . checked(1, @$setting['author_not_send'], false) . '/>';

    echo $html;
}
  
 /**
  * 注册 wporg_settings_init 到 admin_init Action 钩子
  */
 add_action('admin_init', 'ftqq_pushdeer_settings_init');

 function ftqq_pushdeer_comment_send($comment_id)
 {
     // 读取配置
     $setting = get_option('ftqq_pushdeer_settings');
     // 检查配置
     if (intval(@$setting['is_on']) != 1) {
         return false;
     }
     if (!isset($setting['pushkey']) || strtoupper(substr($setting['pushkey'], 0, 3)) != 'PDU') {
         return false;
     }

     $comment = get_comment($comment_id);
    
     // 配置开关：如果文章作者就是评论作者，那么不发送评论
     if (intval(@$setting['author_not_send']) == 1 && (get_post($comment->comment_post_ID)->post_author == $comment->user_id)) {
         return false;
     }

     $text = '博客['.get_bloginfo('name').']有新的留言';
     $desp = $comment->comment_content ."\r\n\r\n" .'[去博客查看]('.site_url().'/?page_id='.$comment->comment_post_ID.') ';
    
     $postdata = http_build_query(
         array(
    'text' => $text,
    'desp' => $desp
    )
     );
     $opts = array('http' =>array(
    'method' => 'POST',
    'header' => 'Content-type: application/x-www-form-urlencoded',
    'content' => $postdata
));
     $context = stream_context_create($opts);
     return $result = file_get_contents('https://api2.pushdeer.com/message/push?type=markdown&pushkey='.$setting['pushkey'], false, $context);
 }
add_action('comment_post', 'ftqq_pushdeer_comment_send', 19, 2);