Library for API PHP

<?php
define('HAPI_URL','https://admin.systems90.cz/api');
define('HAPI_USE_CURL', true);

define('UID', 0);
define('PASSWORD', 'password');

class HostingApi
{
	private $sid;
	function __construct()
	{
		$this->sid = null;
	}
	
	function __call($name, $params)
	{
		$url = HAPI_URL.'/'.$name.'?reply=json';
		if (count($params)) {
			if (count($params) < 1 || count($params) > 2 || !is_array($params[0])) {
				return false;
			}
			foreach ($params[0] as $key => $value) {
				$url .= '&'.urlencode($key).'='.urlencode((string)$value);
			}
		}
		if ($this->sid) {
			$url .= '&sid='.$this->sid;
		}
		if (HAPI_USE_CURL) {
			$ch = curl_init($url);
			curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
			curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
			if(count($params) == 2) {
				curl_setopt($ch, CURLOPT_POST, 1);
				curl_setopt($ch, CURLOPT_POSTFIELDS, $params[1]);
			}
			$text = curl_exec($ch);
			curl_close($ch);
		} else {
			$text = file_get_contents($url);
		}
		$ret = json_decode($text);
		if (is_object($ret) && isset($ret->reply)) {
			return $ret->reply;
		} else {
			return false;
		}
	}

	function login($uid, $password)
	{
		$ret = $this->__call('login', array(array(), array('uid' => $uid, 'password' => $password)));
		if ($ret && $ret->status->code == 0) {
			$this->sid = $ret->sid;
			return true;
		} else {
			return false;
		}
	}
}