发送Facebook图片网址作为参数

问题描述：

Facebook image url for user profile looks like

https://scontent.xx.fbcdn.net/hprofile-xfa1/v/t1.0-1/c26.26.321.321/s50x50/1004031_160695494109373_202362495_n.jpg?oh=bc24275f3c0b63adcd7f2

I want to send this url in request to server

$FBImageUrl = "https://scontent.xx.fbcdn.net/hprofile-xfa1/v/t1.0-1/c26.26.321.321/s50x50/1004031_160695494109373_202362495_n.jpg?oh=bc24275f3c0b63adcd7f2";
$postString = "http://example.com/script.php?img_url=" . FBImageUrl;

But what will happen if this url have question mark inside?

用户个人资料的Facebook图片网址如下所示 p>

https： //scontent.xx.fbcdn.net/hprofile-xfa1/v/t1.0-1/c26.26.321.321/s50x50/1004031_160695494109373_202362495_n.jpg?oh=bc24275f3c0b63adcd7f2 PRE> \ n

我想将此URL请求发送到服务器 p>

  $ FBImageUrl =“https://scontent.xx.fbcdn.net/hprofile-xfa1/v/  t1.0-1 / c26.26.321.321 / s50x50 / 1004031_160695494109373_202362495_n.jpg？oh = bc24275f3c0b63adcd7f2“; 
 $ postString =”http://example.com/script.php?img_url=“。  FBImageUrl; 
  code>  pre> 
 
 但是如果这个网址里面有问号会怎么样？   p> 
  div>

答

use urlencode()

$FBImageUrl = "https://scontent.xx.fbcdn.net/hprofile-xfa1/v/t1.0-1/c26.26.321.321/s50x50/1004031_160695494109373_202362495_n.jpg?oh=bc24275f3c0b63adcd7f2";
$postString = "http://example.com/script.php?img_url=".urlencode($FBImageUrl) ;

In your script.php

$img_url = urldecode($_GET['img_url']);

答

You need to urlencode your parameter.

答

You can use base64_encode & base64_decode. Also for security reasons image URL wont be visible in the address bar.

$FBImageUrl = "https://scontent.xx.fbcdn.net/hprofile-xfa1/v/t1.0-1/c26.26.321.321/s50x50/1004031_160695494109373_202362495_n.jpg?oh=bc24275f3c0b63adcd7f2";
$base64Url = base64_encode($FBImageUrl);
$postString = "http://example.com/script.php?img_url=" . $base64Url;

Receiver you can decode it

$fbUrl = base64_decode($_GET['img_url']);

发送Facebook图片网址作为参数

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