HTTP Access Information Log

For testing OpenAPI and checking whether the connection information is correct

Method, host, and POST values on connection

<?
$log = $_SERVER['REQUEST_METHOD'].' '.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']."nn";

foreach($_SERVER as $k => $v)
{
if($k=='HTTP_HOST') continue;
if(substr($k, 0,5)!='HTTP_') continue;
$log .= '$k: $v'."n";
}

$log .= "n";

$post = array_map('urldecode', explode('&', file_get_contents('php://input')));
foreach($post as $v)
{
$log .= "$vn";
}

$log .= "-----------------------------------n";

file_put_contents('log.txt', $log, FILE_APPEND | LOCK_EX);
?>