PHP submit form with cUrl

Question

i want to submit any IP address to this site with cUrl . my cUrl options could not work correctly:

  $h = curl_init();

  curl_setopt($h, CURLOPT_URL, "http://www.whatismyip.com/ip-whois-lookup/"); 
  curl_setopt($h, CURLOPT_POST, true);
  curl_setopt($h, CURLOPT_POSTFIELDS, array(
  'IP' => '2.179.144.117',
  'submitted' => 'submitted'
  ));
  curl_setopt($h, CURLOPT_HEADER, false);
  curl_setopt($h, CURLOPT_RETURNTRANSFER, 1);

  $result = curl_exec($h);
  echo $result;

alpakyol · Accepted Answer · 2014-03-17 12:05:16Z

1

Give your array data with http_build_query() function so that, it can be decoded correctly on requested IP:

curl_setopt($h, CURLOPT_POSTFIELDS, http_build_query(
   array(
      'IP' => '2.179.144.117',
      'submitted' => 'submitted'
   )
));
// echo http_build_query(array('IP' => '2.179.144.117', 'submitted' => 'submitted'));
// outputs: IP=2.179.144.117&submitted=submitted and this will be added to the end of
// the requested URL in GET request.

answered Mar 17, 2014 at 12:05

alpakyol

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2 Comments

DolDurma Over a year ago

thanks. why i get this error: 403 Forbidden. server of whatismyip.com does not allow access for cUrl?

alpakyol Over a year ago

I don't know how whatismyip.com service usage is, but 403 means the service doesn't allow your IP regardless of using cUrl.

vdwijngaert · Accepted Answer · 2014-03-17 12:03:35Z

0

A quick check on the headers sent to that webpage, reveals that the "submitted" post variable should be set to true, not to submitted.

Remark: please note that whatismyip.com probably does not allow access to its tool by means of scraping.

answered Mar 17, 2014 at 12:03

vdwijngaert

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1 Comment

vdwijngaert Over a year ago

As user3280126 also states, you should pass the post data as "IP=2.179.144.117&submitted=true". I must've looked over it.

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