Client (logs in to server)

<?
	function Post($url, $post){

		$fields_string = '';
		foreach($post as $key=>$value) { $fields_string .= $key.'='.$value.'&'; }
		rtrim($fields_string, '&');

		$curl_handle=curl_init();
		curl_setopt($curl_handle, CURLOPT_URL,$url);
		curl_setopt($curl_handle, CURLOPT_CONNECTTIMEOUT, 2);
		curl_setopt($curl_handle, CURLOPT_RETURNTRANSFER, 1);
		curl_setopt($curl_handle, CURLOPT_POST, count($post));
		curl_setopt($curl_handle, CURLOPT_POSTFIELDS, $fields_string);
		curl_setopt($curl_handle, CURLOPT_USERAGENT, 'Office');
		$query = curl_exec($curl_handle);
		curl_close($curl_handle);

		return $query;
	}

	$Logged = Post("http://(ip of main server)/php/login.php", array('Username' => 'FileUpload','Password' => 'Xc1Kl0X9lkI^sqweszxcaSjkhdSJKhdkajshDskaKsjdHDh'));
	if ($Logged == 'Log'){
		echo "Sending data... <br>";
		$UPLD = Post("http://(ip of main server)/Transfer.php", array('timestamp' => time()));
		echo $UPLD;
	}else{
		echo "CURL ERROR";
	}
?>

<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<title>Test</title>
</head>

<body>

</body>
</html>