I have already passed Gu Ge. I still cannot enable curl. what should I do?

I have already passed Aunt Gu Ge .. still cannot enable curl... I have followed the search engine practices .. copy those DLL files .. modify php. ini... restart .. but it still doesn't work .. If phpinfo is printed, it cannot be turned on. Is there any problem that may cause it to fail to be turned on? Phpinfo () curlcURLsupp has been passed by Niang Gu Ge. You still cannot enable curl...
I have copied those DLL files in the search engine and modified php. ini and restarted. but I still cannot .. If phpinfo is printed, it cannot be turned on. Is there any problem that may cause it to fail to be turned on?

Phpinfo ()

Curl
CURL support enabled
CURL Information libcurl/7.16.0 OpenSSL/0.9.8e zlib/1.2.3



------ Solution --------------------
404 is that you cannot access it. it doesn't matter if it doesn't work with curl. you can find another accessible address, such as csdn ....
Discussion

No reference from error 404:

1. confirm that your environment supports Short Mark. Otherwise, use
2, $ ch = curl_init ("http://www.php.net"); // double quotes changed to half angle