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Using PHP's cURL module to fetch the example.com homepage

Using PHP's cURL module to fetch the example.com homepage

Constante predefinite

Last updated: Fri, 20 Nov 2009

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vojta at draxl dot eu
16-Aug-2009 09:34


The previous solution is useful for passing through The Google Docs form and also handle the filled data at own server.



You can add the missing feature of confirmation mail with own script and more



PHP converts the dots in the variable's names to underscore. So dont forget to replace back the _ with . in the names of POST variables before sending to google.

ac at zwerg dot at
26-Jun-2009 11:46


If you want to write a sort of php wrapper to include the results of another http(s) request maybe pointing to a totally different site or just different code (mod_perl with HTML::Mason, in my case) into a php based layout, and just pass-thru all GET and POST variables to the sub-request, the following snippet can be used. Note there is no error handling, so this is subject to the underlying application.



<?php

$ch = curl_init($sub_req_url);

$encoded = '';

// include GET as well as POST variables; your needs may vary.

foreach($_GET as $name => $value) {

  $encoded .= urlencode($name).'='.urlencode($value).'&';

}

foreach($_POST as $name => $value) {

  $encoded .= urlencode($name).'='.urlencode($value).'&';

}

// chop off last ampersand

$encoded = substr($encoded, 0, strlen($encoded)-1);

curl_setopt($ch, CURLOPT_POSTFIELDS,  $encoded);

curl_setopt($ch, CURLOPT_HEADER, 0);

curl_setopt($ch, CURLOPT_POST, 1);

curl_exec($ch);

curl_close($ch);

?>

randearievilo at gmail dot com
16-Jun-2008 05:39


This simple code work fine using libcurl versions before 7.18.x.



<?php

        $ch = curl_init("www.example.com/curl.php?option=test");

        curl_setopt($ch, CURLOPT_HEADER, 0);

        curl_setopt($ch, CURLOPT_POST, 1);

        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

        $output = curl_exec($ch);       

        curl_close($ch);

        echo $output;

?>



If you have some trouble (Ex.: Failed to open/read local data from file/application) using a similar code with libcurl 7.18.x, try to add the option curl_setopt($ch, CURLOPT_POSTFIELDS, "").



I think there was a change in the option CURLOPT_POST. Now, to use this option, it seems to be necessary to set the option CURLOPT_POSTFIELDS.

jlee8df at gmail dot com
30-May-2008 08:47


Basic cURL file or page download with basic error trapping.





<?php





function cURLcheckBasicFunctions()


{


  if( !function_exists("curl_init") &&


      !function_exists("curl_setopt") &&


      !function_exists("curl_exec") &&


      !function_exists("curl_close") ) return false;


  else return true;


}





/*


 * Returns string status information.


 * Can be changed to int or bool return types.


 */


function cURLdownload($url, $file)


{


  if( !cURLcheckBasicFunctions() ) return "UNAVAILABLE: cURL Basic Functions";


  $ch = curl_init();


  if($ch)


  {


    $fp = fopen($file, "w");


    if($fp)


    {


      if( !curl_setopt($ch, CURLOPT_URL, $url) )


      {


        fclose($fp); // to match fopen()


        curl_close($ch); // to match curl_init()


        return "FAIL: curl_setopt(CURLOPT_URL)";


      }


      if( !curl_setopt($ch, CURLOPT_FILE, $fp) ) return "FAIL: curl_setopt(CURLOPT_FILE)";


      if( !curl_setopt($ch, CURLOPT_HEADER, 0) ) return "FAIL: curl_setopt(CURLOPT_HEADER)";


      if( !curl_exec($ch) ) return "FAIL: curl_exec()";


      curl_close($ch);


      fclose($fp);


      return "SUCCESS: $file [$url]";


    }


    else return "FAIL: fopen()";


  }


  else return "FAIL: curl_init()";


}





// Download from 'example.com' to 'example.txt'


echo cURLdownload("http://www.example.com", "example.txt");





?>





- JLèé

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Using PHP's cURL module to fetch the example.com homepage

Constante predefinite

Last updated: Fri, 20 Nov 2009