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gURL (Similar to using cURL) by Markus Diersbock
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<?php

/*
    Name:         gURL
    Author:        Markus Diersbock
    Description:    Allows you to GET/POST to an external website.
            Data to be passed as string or array.

    Notes:        ~ $errflag is set to 1 on error
            ~ Prefix $webpage with "/"

    Revisons:    2003/12/12 - Created

        Example Use:    $webresult = $cururl->execweb("www.targetsite.com", "/submissions.asp", $mydata,"POST");
*/


class gURL{

    var $errflag;
    var $lasterrdesc;
    var $lasterrno;
    var $version='1.1';

    function execweb($site, $webpage, $extdata, $method){
        $port=80;
        $conntimeout=60;
        $buffer=1024;
        $extdatastr;
        $returndata;

        // Process array/string. For GETs make legal QueryString
        if(is_array($extdata)){
            foreach($extdata as $name => $value){
                if($method=="GET"){
                    $extdatastr .=urlencode($name)."=".urlencode($value)."&";
                } else {
                    $extdatastr .=$name."=".$value."&";
                }
            }
        } else {
            $extdatastr=$extdata;
        }

        $fptr=fsockopen($site, $port, $errno, $errstr, $conntimeout);


        if(!$fptr){
            $this->errflag=1;
            $this->lasterrno .= $errno;
            $this->lasterrdesc .= $errstr;
        } else {

            $datalen = strlen($extdatastr);

            // For POSTs create body with form data
            if($method=="POST"){

                $bodystr = "POST ".$webpage." HTTP/1.0\r\n";
                $bodystr .= "Host: ".$site."\r\n";
                $bodystr .= "Content-type: application/x-www-form-urlencoded\r\n";
                $bodystr .= "Content-length: ".$datalen."\r\n";
                $bodystr .= "\r\n";
                $bodystr .= $extdatastr."\n\n";
            }


            // For GETs create body with passed QueryString
            if($method=="GET"){
                if(strlen($extdatastr)>0){
                    $bodystr = "GET ".$webpage."?".$extdatastr." HTTP/1.0\r\n";
                } else {
                    $bodystr = "GET ".$webpage." HTTP/1.0\r\n";
                }

                $bodystr .= "Host: ".$site."\n\n";
            }

                fputs($fptr, $bodystr);

                while(!feof($fptr)){
                    $returndata .= fgets($fptr, $buffer);
                }
        }

        return $returndata;
    }
}

?>

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Use of any code from PX is at your own risk.