<?php
	/*
	 * curl 调用
	 */
	//echo post_request("http://www.baidu.com");
	function post_request($url, $params=array()) {
		
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
		//curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: application/x-www-form-urlencoded"));
		curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: text/html"));
		curl_setopt($ch, CURLOPT_URL, $url);
		curl_setopt($ch, CURLOPT_POST, true);
		curl_setopt($ch, CURLOPT_TIMEOUT, 3);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);  
		curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($params));  
		$result = curl_exec($ch);
	    $httpinfo= curl_getinfo($ch);
		curl_close($ch);
		//print_r($httpinfo);
		$info = "{$httpinfo['http_code']}|$url|$result";
		Log::save_run_log($info,'curl');
		if($httpinfo['http_code'] == 200){
			return $result;
		} else {
			return false;
		}
	}
	
	
	function xml_unserialize(&$xml, $isnormal = FALSE) {
		$xml_parser = new XML($isnormal);
		$data = $xml_parser->parse($xml);
		$xml_parser->destruct();
		return $data;
	}
	
	/**
	*	获得请求端的xml
	*/
	
	function post_request_xml($url, $params=array()) {
		
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
		//curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: application/x-www-form-urlencoded"));
		curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: text/html"));
		curl_setopt($ch, CURLOPT_URL, $url);
		curl_setopt($ch, CURLOPT_POST, true);
		curl_setopt($ch, CURLOPT_TIMEOUT, 3);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);  
		curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($params));
		  
		$result = file_get_contents('php://input');
		
	    $httpinfo= curl_getinfo($ch);
		curl_close($ch);
		//print_r($httpinfo);
		$info = "{$httpinfo['http_code']}|$url|$result";
		Log::save_run_log($info,'curl');
		if($httpinfo['http_code'] == 200){
			return $result;
		} else {
			return false;
		}
	}


	/**
	*	获得请求端的ip地址
	*/
	function  get_client_ip() {
		global  $_SERVER;
		if (isset($_SERVER["HTTP_X_FORWARDED_FOR"])) {
			$ip  =  $_SERVER["HTTP_X_FORWARDED_FOR"];
		} elseif (isset($_SERVER["HTTP_CLIENT_IP"])) {
			$ip  =  $_SERVER["HTTP_CLIENT_IP"];
		} else {
			$ip  =  $_SERVER["REMOTE_ADDR"];
		}
		return  $ip;
	}
	
	/**
	*	接口999操作失败
	*  forexample: response_999(__FILE__,__LINE__,__FUNCTION__,"SQL");
	*/
	function response_999($file,$line,$function,$err_type){
		$parameters = get_parameters();
		$file = strstr($file,"u.");
		$log = "|response:999|file:$file|line:$line|function:$function|err_type:$err_type|$parameters";
		Log::save_run_log($log,"run");
		echo "-999";
		exit;
	}
	/**
	*	接口返回结果函数
	*/
	function response($result){
		echo $result;
		exit;
	}
	
	/**
	 * 取得精确时间值
	 */
	function microtime_float(){
   		list($usec, $sec) = explode(" ", microtime());
    	return ((float)$usec + (float)$sec);
	}
	
	
	/**
	*	取得请求参数，并组成字符串
	*	格式为 {parameter:value|parameter:value|parameter:value|parameter:value……………………}
	*/
	function get_parameters() {
		global $_GET,$_POST;
		$parameters = "";
		if($_GET){
			foreach($_GET as $key => $val){
				if($key == 'sign') 
					continue;
				else
					$parameters .= "$key:$val|";
			}
		}
		if($_POST){
			foreach($_POST as $key => $val){
				if($key == 'sign') 
					continue;
				else
					$parameters .= "$key:$val|";
			}
		}
		if(strlen($parameters) > 1 )
			$parameters = substr($parameters,0,-1);
		return "{".$parameters."}";
	}
	
	function get_browser_language()	{
		if(isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])){
			$accept_lang = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']);
			return $accept_lang[0];
		} else {
			return false;
		}
	}
	
	
	function filterInput(&$info){
		if(empty($info)) return false;
		if(is_array($info)){
			foreach ($info as $key=>$val){
				$info[$key] = addslashes($val);
			}
		} else {
			$info = addslashes($info);
		}
	}
	
	function matchSex($total_friend,$sex,$friends){

		$ran = rand(0,$total_friend-1);
		
		if($sex == 2) return $ran;
		if ($sex == 1 and $friends[$ran]['sex']=='male'){
			return $ran;
		} else if ($sex == 0 and $friends[$ran]['sex']=='female'){
			return $ran;
		} else {
			$ran =  matchSex($total_friend,$sex,$friends);
		}
	}
	
	function get_GetParameters() {
		global $_GET;
		$parameters = "";
		if($_GET){
			foreach($_GET as $key => $val){
				$parameters .= "$key:$val|";
			}
		}
		if(strlen($parameters) > 1 )
			$parameters = substr($parameters,0,-1);
		return $parameters;
	}


	function make_curl($url,$params=array()){

	$ch = curl_init();
	curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
	curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: application/x-www-form-urlencoded"));
	curl_setopt($ch, CURLOPT_URL, $url);
	curl_setopt($ch, CURLOPT_POST, true);
	curl_setopt($ch, CURLOPT_TIMEOUT, 60);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
	curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
	curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($params));
	$result = curl_exec($ch);

	$result = json_decode($result,true);

	return $result;
}

?>