information-system/application/third_party/trainsystem/helpers/train_helper.php

<?php 
//途牛接口创建请求签名
function create_sign(){
	$time = date('Y-m-d H:i:s',time());
	$secretKey = 'qvHMJVywEQqsd4EneHQl';
	$id = 'retailId25';
	$timeStamp = 'timestamp'.$time;
	$sign = $secretKey.$id.'apiKey'.TUNIU_KEY.$timeStamp.$secretKey;
	return strtoupper(md5($sign));
}

//证件名称转id
function strexchangeid($name){
	if($name != ''){
		switch ($name){
			case '二代身份证':
				return '1';
				break;
			case '护照':
				return 'B';
				break;
			case '台湾通行证':
				return 'G';
				break;	
			case '港澳通行证':
				return 'C';
				break;
			default :
				return 'B';
				break;
		}
	}
}

//特殊字符转换
function chk_sp_name($name){
		$name = str_replace(
         array('á','ë','é','è','í','ó','ú','ű','ñ','á','é','í','ó','ö','ú','ű','ñ','/',',','  '),
         array('a','e','e','e','i','o','u','u','n','A','E','I','o','o','U','U','N','','',''),
         $name
		);
		return substr(strtoupper($name),0,30);
	}

//发送请求函数
function GetPost_http($url, $data = '',$format='') {
	if(!isset($_SERVER['HTTP_USER_AGENT'])){
		$_SERVER['HTTP_USER_AGENT'] = 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.104 Safari/537.36 Core/1.53.2372.400 QQBrowser/9.5.10548.400';
	}
	$curl = curl_init(); // 启动一个CURL会话  
	curl_setopt($curl, CURLOPT_URL, $url); // 要访问的地址  
	curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0); // 对认证证书来源的检查  
	curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 0); // 从证书中检查SSL加密算法是否存在  
	curl_setopt($curl, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']); // 模拟用户使用的浏览器  
	curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1); // 使用自动跳转  
	curl_setopt($curl, CURLOPT_AUTOREFERER, 1); // 自动设置Referer  
	if (!empty($data)) {
		curl_setopt($curl, CURLOPT_POST, 1); // 发送一个常规的Post请求  
		curl_setopt($curl, CURLOPT_POSTFIELDS, $data); // Post提交的数据包
		if($format == 'json'){
			curl_setopt($curl, CURLOPT_HTTPHEADER, array('Content-Type:application/json'));
		}
	}
	curl_setopt($curl, CURLOPT_TIMEOUT, 40); // 设置超时限制防止死循环  
	curl_setopt($curl, CURLOPT_TIMEOUT_MS, 40000); // 设置超时限制防止死循环  
	curl_setopt($curl, CURLOPT_HEADER, 0); // 显示返回的Header区域内容  
	curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); // 获取的信息以文件流的形式返回  
	$tmpInfo = curl_exec($curl); // 执行操作  
	$errno = curl_errno($curl);
	if ($errno !== 0) {
		log_message('error', 'ctripost'.$errno.curl_error($curl));
	}
	curl_close($curl); //关闭CURL会话  
	return $tmpInfo; //返回数据
}

function get_microtime (){
	list($s1, $s2) = explode(' ', microtime());
	return (float)sprintf('%.0f', (floatval($s1) + floatval($s2)) * 1000); 
}

?>