Curl Analog Login Always pop-up verification code is incorrect

Header ("content-type:text/html; charset=gb2312 ");
$CookieFile =tempnam ("./tmep", "Beast");
if (Isset ($_get["img"])) {
$url = ' http://jwc.wyu.edu.cn/student/rndnum.asp ';//Verification Code code
$ch = Curl_init ($url);
curl_setopt ($ch, Curlopt_cookiejar, $CookieFile);//Save the returned cookie information in a file
Curl_exec ($ch);
Curl_close ($ch);
Exit ();
}
if (Isset ($_post[' d ')) {
$b =$_post[' d '];//verification code
$p = "usercode=3114002555&userpwd= Don't tell You &validate=". $b. " &submit= Submit ";
$ch = Curl_init ();
2. Setting options, including URLs
$reffer = ' http://jwc.wyu.edu.cn/student/body.htm ';
curl_setopt ($ch, Curlopt_referer, $reffer);
curl_setopt ($ch, Curlopt_useragent, "mozilla/5.0 (Windows NT 6.3; WOW64; rv:39.0) gecko/20100101 firefox/39.0 ");
curl_setopt ($ch, Curlopt_url, "http://jwc.wyu.edu.cn/student/logon.asp");
curl_setopt ($ch, Curlopt_cookiejar, $CookieFile);
curl_setopt ($ch, Curlopt_cookiefile, $CookieFile);//Send cookies at the same time
curl_setopt ($ch, Curlopt_returntransfer, 1);
curl_setopt ($ch, Curlopt_post, 1);
curl_setopt ($ch, Curlopt_postfields, $p);//Submit Query Information
$s = curl_exec ($ch);
Curl_close ($ch);
$ch = Curl_init ();
$reffer = ' http://jwc.wyu.edu.cn/student/body.htm ';
curl_setopt ($ch, Curlopt_referer, $reffer);
curl_setopt ($ch, Curlopt_useragent, "mozilla/5.0 (Windows NT 6.3; WOW64; rv:39.0) gecko/20100101 firefox/39.0 ");
curl_setopt ($ch, Curlopt_url, "http://jwc.wyu.edu.cn/student/logon.asp");
curl_setopt ($ch, curlopt_followlocation,true);
curl_setopt ($ch, Curlopt_cookiefile, $CookieFile);//Send cookies at the same time
curl_setopt ($ch, Curlopt_cookiejar, $CookieFile);
curl_setopt ($ch, Curlopt_returntransfer, 1);
curl_setopt ($ch, Curlopt_post, 1);
curl_setopt ($ch, Curlopt_postfields, $p);//Submit Query Information
$bs = curl_exec ($ch);
echo $bs;//output result
Curl_close ($ch);
}else{
?>

}
?>

Reply to discussion (solution)

$url = ' http://jwc.wyu.edu.cn/student/';p rint_r (get_headers ($url));

Array
(
[0] = = http/1.1-OK
[1] = Cache-control:private
[2] = Connection:close
[3] = Date:mon, 11:30:29 GMT
[4] = content-length:617
[5] = content-type:text/html
[6] = = SET-COOKIE:ASPSESSIONIDCQAATSAR=HGOCKONAKIMOPBIOFJFHPGFI; path=/
[7] = Server:iis
[8] = x-powered-by:waf/2.0
[9] = = set-cookie:safedog-flow-item=6bfdb3bc0a21c98b7224b81c2c04c934; Expires=mon, 24-aug-2015 16:00:29 GMT; domain=wyu.edu.cn; path=/
)
Access to the homepage there is already a session, you read the verification code is not carried on is not possible

How to take the session, where to take

$url = ' http://jwc.wyu.edu.cn/student/';p rint_r (get_headers ($url));

Array
(
[0] = = http/1.1-OK
[1] = Cache-control:private
[2] = Connection:close
[3] = Date:mon, 11:30:29 GMT
[4] = content-length:617
[5] = content-type:text/html
[6] = = SET-COOKIE:ASPSESSIONIDCQAATSAR=HGOCKONAKIMOPBIOFJFHPGFI; path=/
[7] = Server:iis
[8] = x-powered-by:waf/2.0
[9] = = set-cookie:safedog-flow-item=6bfdb3bc0a21c98b7224b81c2c04c934; Expires=mon, 24-aug-2015 16:00:29 GMT; domain=wyu.edu.cn; path=/
)
Access to the homepage there is already a session, you read the verification code is not carried on is not possible

How long did it take me to learn, curl, if you could just tell me?

$url = ' http://jwc.wyu.edu.cn/student/';p rint_r (get_headers ($url));

Array
(
[0] = = http/1.1-OK
[1] = Cache-control:private
[2] = Connection:close
[3] = Date:mon, 11:30:29 GMT
[4] = content-length:617
[5] = content-type:text/html
[6] = = SET-COOKIE:ASPSESSIONIDCQAATSAR=HGOCKONAKIMOPBIOFJFHPGFI; path=/
[7] = Server:iis
[8] = x-powered-by:waf/2.0
[9] = = set-cookie:safedog-flow-item=6bfdb3bc0a21c98b7224b81c2c04c934; Expires=mon, 24-aug-2015 16:00:29 GMT; domain=wyu.edu.cn; path=/
)
Access to the homepage there is already a session, you read the verification code is not carried on is not possible

can be used curl_setopt ($ch, Curlopt_httpheader, "SET-COOKIE:ASPSESSIONIDCQAATSAR=HGOCKONAKIMOPBIOFJFHPGFI; path=/");

$url = ' http://jwc.wyu.edu.cn/student/';p rint_r (get_headers ($url));

Array
(
[0] = = http/1.1-OK
[1] = Cache-control:private
[2] = Connection:close
[3] = Date:mon, 11:30:29 GMT
[4] = content-length:617
[5] = content-type:text/html
[6] = = SET-COOKIE:ASPSESSIONIDCQAATSAR=HGOCKONAKIMOPBIOFJFHPGFI; path=/
[7] = Server:iis
[8] = x-powered-by:waf/2.0
[9] = = set-cookie:safedog-flow-item=6bfdb3bc0a21c98b7224b81c2c04c934; Expires=mon, 24-aug-2015 16:00:29 GMT; domain=wyu.edu.cn; path=/
)
Access to the homepage there is already a session, you read the verification code is not carried on is not possible

Thank you very much for simulating my landing.

