get_http_raw.php

<?php
function get_http_raw()
{
	$raw='';
	$raw.=$_SERVER['REQUEST_METHOD'].' '.$_SERVER['REQUEST_URI'].' '.$_SERVER['SERVER_PROTOCOL']."\r\n";
	foreach($_SERVER as $key => $value)
	{
		if(substr($key,0,5)==='HTTP_')
		{
			$key=substr($key,5);
			$key=str_replace('_','-',$key);
			$raw.= $key.': '.$value."\r\n";
		}
	}
	$raw.="\r\n";
	$raw.=file_get_contents('php://input');
	return $raw;
}