![](/img/trans.png)
[英]Message sent using WhatsApp but not delivered to recipients using WhatsApp business API
[英]Whatsapp Business Cloud API returning empty string when trying to download media
在成功检索媒体 URL 并将其存储在 $mediaURL 变量中以进行文件请求后,我正在使用以下代码行 (PHP),但它返回一个空字符串。 已经尝试使用邮递员,它返回 500 内部服务器错误...
** 已编辑 **
self::writeLog('Media URL: '.$mediaURL);
self::writeLog('Preparing to download media - id: '.$media_id);
$curl = curl_init($mediaURL);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
$headers = array(
"Authorization: Bearer ".self::$auth_token,
);
curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
if (($resp = curl_exec($curl)) === false) {
self::writeLog('cURL Error: '.curl_error($curl));
} else if ($resp == '') {
self::writeLog('Empty string.');
self::writeLog('URL: '.$mediaURL);
self::writeLog('Headers: '.$headers[0]);
} else {
self::writeLog($resp);
}
我之前遇到过这个问题,原因是没有将User-Agent
传递给 API 导致错误的值返回
我使用以下方法下载了 whatsapp-cloud 媒体,它适用于我
public function grabImage(string $url,string $saveto) : bool {
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 0);
curl_setopt($ch, CURLOPT_TIMEOUT, 400);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch,CURLOPT_CUSTOMREQUEST , "GET");
curl_setopt($ch,CURLOPT_ENCODING , "");
$headers = [];
$headers[] = "Authorization: Bearer " . self::$adminToken;
$headers[] = "Accept-Language:en-US,en;q=0.5";
$headers[] = "User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36";
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
$raw = curl_exec($ch);
$httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
if((int)$httpcode == 200){
// here save the $row content of file
}
return false;
}
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.