如何使用Facebook请求对话框向用户所有的朋友发送应用请求？ [英] How to send app request to user all friends using Facebook request dialog?

问题描述

我可以使用请求对话框向50位用户的朋友发送应用请求，其中 to = 字段修改，但是我想向所有用户的朋友发送请求，如此示例应用程序的作用如下：邀请您的朋友按钮进行页面

I am able to send app request using request dialog to 50 of a user's friends with to= field modification but I want to send requests to all of a user's friends like this example app does: Invite your friend button for pages

此应用程序邀请用户前50个朋友，再次邀请用户下一个50个朋友等等

This app invites users first 50 friends than again invites users next 50 friends and so on

在我的代码中，我将用户转发到这个URL使用PHP

In my code I forward the users to this URL using PHP

https://www.facebook.com/dialog/apprequests?app_id=443468799026324
&to=" . $friend_ids .  "
&max_recipients=50&filters=app_non_users
&redirect_uri=" . urlencode($canvas_page2)  . "
&message=" . $message;

请求对话的Facebook官方指南

如何从这里继续？

推荐答案

你可以这样做：
首先你设置50个朋友的ID到参数中，然后当你发送请求时，将剩余的朋友id存储在cookie中重定向到您的网站网址，您可以在上面重复step.ie发送50个朋友请求并存储在cookie中。

You can do this as follow: First you set 50 friends id in to parameter and store remaining friends id in cookie now when you send request then it redirects to your site url where you can repeat above step.i.e. send 50 friends request and store remaining in cookie.

var to="";
    for(var j=0 ; j< 50 && j<friends.length ; j++){
        if(friends[j].checked == true){
            to += friends[j].value;
            if(j != friends.length-1 && j != 49){
                to += ',';
            }
        }
    }
    var redirect_uri=your_site_url+"?button=inviteresponse";
    var callbackto="";
    for(var i=j;i<friends.length;i++){
        callbackto += friends[i].value;
        if(i != friends.length-1){
            callbackto += ',';
        }
    }
    document.cookie = "param="+callbackto+";path=/";
    var url="https://www.facebook.com/dialog/apprequests?app_id="+app_id+"&to="+to+"&message=Checkout apps&redirect_uri="+redirect_uri;
    window.open(url,'', 'width=900,height=500,resizable=yes,scrollbars=yes');  

case "inviteresponse":
        if (empty($_COOKIE['param'])) {
            unset($_COOKIE['param']);
            echo "<script type='text/javascript'>window.close();</script>";
            die();
        } else {
            $friends = explode(",", $_COOKIE["param"]);
            $to = "";
            for ($j = 0; $j < 50 && $j < count($friends); $j++) {
                $to .= $friends[$j];
                if ($j != count($friends) - 1 && $j != 49) {
                    $to .= ",";
                }
            }
            $redirect_uri = your_site_url+"?button=inviteresponse";
            $callbackto = "";
            for ($i = $j; $i < count($friends); $i++) {
                $callbackto .= $friends[$i];
                if ($i != count($friends) - 1) {
                    $callbackto .= ",";
                }
            }
            unset($_COOKIE['param']);
            setcookie("param", $callbackto);
            $url = "https://www.facebook.com/dialog/apprequests?app_id=" . APP_ID . "&to=" . $to . "&message=Checkout apps&redirect_uri=" . $redirect_uri;
            header("Location: " . $url);
        }

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