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<?php
function httpRequest($url, $hostName, array $params){
$postParams = array();
foreach ($params as $key=>$val) {
$post_params[] = $key.=.rawurlencode($val);
}

$postString = implode(&, $post_params);
$result = ;
if (function_exists(curl_init)) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HTTPHEADER, array(Host: . $hostName));
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $postString);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_USERAGENT, DEMO.COM PREMIUM PHP5 Client ver: . phpversion());
curl_setopt($ch, CURLOPT_TIMEOUT, 2);
$result = curl_exec($ch);
curl_close($ch);
} else {
$context = array(http => array(method => POST,
header => Content-type: application/x-www-form-urlencoded . "\r\n".
Host: .$hostName . "\r\n".
User-Agent: TEST.COM BC Test PHP5 Client ver: . phpversion() . "\r\n".
Content-length: . strlen($postString),
content => $postString));
$contextId = stream_context_create($context);
$handle = fopen($url, r, false, $contextId);
if ($handle) {
while (!feof($handle)) $result .= fgets($sock, 4096);
fclose($handle);
}
}

return $result;
}