<?php

function Send_Post($post_url, $post_data, $refer) 
{ 
  return file_get_contents($post_url.$post_data);
} 
 
class vkapi {
  var $vk_id;
  var $app_id;
	var $api_url;
	
	function vkapi($app_id, $vk_id, $api_url = 'api.vk.com/method/') {
		$this->app_id = $app_id;
		$this->vk_id = $vk_id;
		if (!strstr($api_url, 'https://')) $api_url = 'https://'.$api_url;
		$this->api_url = $api_url;
	}
	
	function api($method,$params=false,$v=true) {
		if (!$params) $params = array(); 
		$this->api_url= 'https://api.vk.com/method/'.$method.'.xml?';
		$params['api_id'] = $this->app_id;
		if($v) $params['v'] = '5.34';
		$params['lang'] = 'ru';		
		//$params['test_mode']='1';
 
		ksort($params);
		$sig = $this->vk_id;
		foreach($params as $k=>$v) {
			$sig .= $k.'='.$v;
		}
		$params['sig'] = md5($sig);
		$res = Send_Post($this->api_url,$this->params($params),'https://vk.com/app'.$this->app_id.'_'.$this->app_id);
		return simplexml_load_string($res);
	}
	
	function params($params) {
		$pice = array();
		foreach($params as $k=>$v) {
			$pice[] = $k.'='.urlencode($v);
		}
		return implode('&',$pice);
	}
}
?>