添加到function.php，保存修改相关参数即可：

/**
 * PHP发送Json对象数据
 *
 * @param $url 请求url
 * @param $jsonStr 发送的json字符串
 * @return array
 */
function http_post_json($url, $jsonStr)
{
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $jsonStr);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_HTTPHEADER, array(
            'Content-Type: application/json; charset=utf-8',
            'Content-Length: ' . strlen($jsonStr)
        )
    );
    $response = curl_exec($ch);
    $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);
 
    return array($httpCode, $response);
}
 
 
 //评论微信推送
function sc_send($comment_id)  
{  
$text = '您的博客上有一条新的评论';  
$comment = get_comment($comment_id);  
$desp = $comment->comment_content;  
//$key = '你的SCKEY';  
$url = "http://wxpusher.zjiecode.com/api/send/message";
$jsonStr = json_encode(array("appToken"=>"AT_*******","summary"=>"有人给你评论啦！！","content"=>$desp,"contentType"=>"1","uids"=>["UID_*************"],"url"=>"https://rr.rw/1.ooo"));
list($returnCode, $returnContent) = http_post_json($url, $jsonStr);
//$context = stream_context_create($opts);  
//return $result = file_get_contents('http://sc.ftqq.com/'.$key.'.send', false, $context);  
}  
add_action('comment_post', 'sc_send', 19, 2);

//var_dump ($jsonStr);
//var_dump($httpCode);
//var_dump ($returnContent);