Facebook API：无法检索Facebook主导广告 [英] Facebook API: Can't retrieve Facebook Lead Ads
问题描述
我已经成功设置了一个webhook来指向我的回调URL，它收到以下示例数据：
I have set up successfully a webhook to point to my callback URL and it receives the following example data:
Array
(
[object] => page
[entry] => Array
(
[0] => Array
(
[id] => 297269987142139
[time] => 1454876106
[changes] => Array
(
[0] => Array
(
[field] => leadgen
[value] => Array
(
[ad_id] => 410908499427
[adgroup_id] => 238113717077
[created_time] => 1454847306
[form_id] => 577581087825
[leadgen_id] => 441393665441
[page_id] => 297269987142139
)
)
)
)
)
)
但是，如果我尝试检索与 leadgen_id 相关联的数据为由facebook解释，它不起作用：
But if I try to retrieve the data associated with the leadgen_id as explained by facebook, it doesn't work:
use FacebookAds\Object\Lead;
$form = new Lead('441393665441');
$form->read();
我收到以下错误：不支持的获取请求。请阅读Graph API文档，网址为：https：//developers.facebook.com/docs/graph-api
不知道为什么它不起作用。
I've tried everything but can't figure out why it doesn't work.
我正在发送这样的测试线索：
I am sending test leads like this:
curl \
-F "object_id=<PAGE_ID>" \
-F "object=page" \
-F "field=leadgen" \
-F "access_token=<ACCESS_TOKEN>" \
-F 'custom_fields={"page_id": <PAGE_ID>}' \
"https://graph.facebook.com/<API_VERSION>/<APP_ID>/subscriptions_sample"
推荐答案
我也努力让这个工作，似乎没有人做出任何复制和粘贴解决方案似乎有效。
I also struggled to get this working, and it seems that nobody has made any copy-and-paste solution that seemed to work.
这个PHP函数适用于我：
This PHP function works for me:
function getLead($leadgen_id,$user_access_token) {
//fetch lead info from FB API
$graph_url= 'https://graph.facebook.com/v2.5/'.$leadgen_id."?access_token=".$user_access_token;
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $graph_url);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
$output = curl_exec($ch);
curl_close($ch);
//work with the lead data
$leaddata = json_decode($output);
$lead = [];
for($i=0;$i<count($leaddata->field_data);$i++) {
$lead[$leaddata->field_data[$i]->name]=$leaddata->field_data[$i]->values[0];
}
return $lead;
}
您可以使用此示例代码的功能：
You can use the function with this sample code:
//Take input from Facebook webhook request
$input = json_decode(file_get_contents('php://input'),true);
$leadgen_id = $input["entry"][0]["changes"][0]["value"]["leadgen_id"];
//Token - you must generate this in the FB API Explorer - tip: exchange it to a long-lived (valid 60 days) token
$user_access_token = 'TOKENID';
//Get the lead info
$lead = getLead($leadgen_id,$user_access_token);//get lead info
从这里你可以通过获取属性和值来发送实时邮件：
From here on you can for example send a realtime mail by getting attributes and values in the lead:
//Create an email with the lead info
$mail="<html><body><h2>New lead</h2><blockquote>";
$mail.="Lead id: ".$leadgen_id."<br>";
foreach($lead as $attr=>$val) {
$mail.=$attr.": ".$val."<br>";
}
$mail.="</blockquote></body></html>";
我希望这有帮助。请注意，subscriptions_sample lead不包含任何字段。您可以使用自己的Facebook个人资料来测试以获取真实数据。
I hope this helps. Notice that the subscriptions_sample lead doesn't contain any fields. You can test with your own Facebook profile to get real data.
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