<?php
// file_put_contents('c:/1.txt', json_encode($_REQUEST));

if(!isset($_GET['v']))
	die('没有v参数');

$v = json_decode($_GET['v'], true);

if(!isset($v['url']))
	die('没有地址');

if(!isset($v['params']))
	die('没有参数');

//file_put_contents('pay.txt', $_GET['v'].PHP_EOL, FILE_APPEND);

// "order_no":"PE164695201711041021473796","out_trade_no":"bd30509462e0b38c0ef2aa32a576b2ad","transaction_id":"4200000004201711042338031287"
if(isset($_POST['out_trade_no'])) 
	$v['params']['biz_content']['outtradeno'] = $_POST['out_trade_no'];

if(isset($_POST['transaction_id']))
	$v['params']['biz_content']['transactionid'] = $_POST['transaction_id'];

//file_put_contents('pay.txt', json_encode($v['params']).PHP_EOL, FILE_APPEND);

$param = http_build_query($v['params']);

$opts = array(
	'http' => array(
		'method'  => 'POST',
		'header'  => "Content-type: application/x-www-form-urlencoded\r\n" . "Content-Length: " . strlen($param) . "\r\n",
		'content' => $param)
);

$context = stream_context_create($opts);
$ret     = file_get_contents($v['url'], false, $context);
print_r($ret);