调用

 $webhook = '机器人地址';  //推送地址
    $webhookdata = array(
        'msgtype' => 'text',  //文本类型
        'content' => '测试消息', // 文本内容
        'mentioned_list' => '', //@某个人 "@all"为全员
        'mentioned_mobile_list' => '' //@手机号 "@all"为全员
        );
    $this->WorkRoboot($webhook,$webhookdata);

推送

public function WorkRoboot($webhook,$webhookdata){

    $postdata['msgtype'] = $webhookdata['msgtype'];   //接收类型
    $postdata[$postdata['msgtype']]['content'] = $webhookdata['content']; //接收内容
    if (!empty($webhookdata['mentioned_list'])) {
        $postdata[$postdata['msgtype']]['mentioned_list'] = $webhookdata['mentioned_list'];
    }
    if (!empty($webhookdata['mentioned_mobile_list'])) {
        $postdata[$postdata['msgtype']]['mentioned_mobile_list'] = $webhookdata['mentioned_mobile_list'];
    }

    // 初始化
    $curl = curl_init();
    // 设置url
    curl_setopt($curl, CURLOPT_URL, $webhook);
    // 设置头文件的信息作为数据流输出
    curl_setopt($curl, CURLOPT_HEADER, true);
    // 设置获取的信息以文件流的形式返回，而不是直接输出。
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
    // 设置提交方式是utf8编码
    curl_setopt($curl, CURLOPT_HTTPHEADER,array('Content-Type: application/json;charset=utf-8'));
    // 设置post方式提交
    curl_setopt($curl, CURLOPT_POST, true);
    // 设置允许 cURL 函数执行的最长秒数
    curl_setopt($curl, CURLOPT_TIMEOUT, 500);
    // 设置post数据
    curl_setopt($curl, CURLOPT_POSTFIELDS, json_encode($postdata));
    // 关闭就行
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
    // 执行命令
    $data = curl_exec($curl);
    // 关闭URL请求
    curl_close($curl);
}