为什么cURL报告无效的IP地址为错误？

Question

I have the following PHP code that uses cURL:

$ch = curl_init();

curl_setopt($ch,CURLOPT_URL,"http://area51.stackexchange.com/users/flair/31.json");
curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);

$a_data = json_decode(curl_exec($ch));

echo curl_error($ch);

I then get the following error when I try to access the page over HTTP:

Failed to connect to 0.0.0.31: Invalid argument

However, the code works fine when run from the command line.

What could possible cause cURL to try to connect to 0.0.0.31, which is AFAIK, not even a valid IP address?

Answer 1

"What could possible cause cURL to try to connect to 0.0.0.31, which is AFAIK, not even a valid IP address?"

Your DNS is botched. I tested your code and it works.