<?php
function curl_postData($data)
{

    $fdata = "";
    foreach ($data as $key => $val) {
        $fdata .= "$key=" . urlencode($val) . "&";
    }
    return $fdata;
}

function curl_get($url, $data)
{
    $ch = curl_init(); // create cURL handle (ch)
    if (!$ch) {
        die("Couldn't initialize a cURL handle");
    }
    // set some cURL options
    $ret = curl_setopt($ch, CURLOPT_URL, $url);
    $ret = curl_setopt($ch, CURLOPT_POST, true);
    $ret = curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
    $ret = curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
    //$ret = curl_setopt($ch, CURLOPT_HEADER,0);
    //$ret = curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
    $ret = curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    $ret = curl_setopt($ch, CURLOPT_TIMEOUT, 30);

    // execute
    $ret = curl_exec($ch);

    if (empty($ret)) {
        // some kind of an error happened
        die(curl_error($ch));
        curl_close($ch); // close cURL handler
    } else {
        $info = curl_getinfo($ch);
        curl_close($ch); // close cURL handler

        if (empty($info['http_code'])) {
            die("No HTTP code was returned");
        } else {
            // load the HTTP codes
            //        $http_codes = parse_ini_file("path/to/the/ini/file/I/pasted/above");
            //        
            //        // echo results
            //        echo "The server responded: <br />";
            //        echo $info['http_code'] . " " . $http_codes[$info['http_code']];
        }
    }
    return $ret;
}

function setdata($data)
{
    foreach ($data as $key => $value) {
        $pos = strpos($key, "pdf");
        if (!is_bool($pos)) {
            $re .= "$key=$value&";
        }
    }
    return $re;
}

function setdata2($data)
{
    foreach ($data as $key => $value) {
        $re .= "$key=$value&";
    }
    return $re;
}