php shutdown hook to generate curl request of the current request

gistfile1.php

<?php

register_shutdown_function(function() {
    $f = '/tmp/last-request-' . microtime(true) . '.sh';

    $rawData = json_decode(file_get_contents("php://input"));

    $url = $_SERVER['REDIRECT_SCRIPT_URI'];
    $requestData = http_build_query($_REQUEST);
    $postData = NULL;
    if ($_SERVER['REQUEST_METHOD'] === 'GET')
    {
        $url .= "?{$requestData}";
    }
    else
    {
        $postData = "-d '{$requestData}'";
    }

    file_put_contents($f, "
curl {$postData} '{$url}'
");