#!/usr/bin/env php
<?php

date_default_timezone_set('UTC');

$options = getopt('', ['logdir:']);
$mail_path = $options['logdir'];
is_dir($mail_path) or mkdir($mail_path);

$name = (new DateTime())->format('Ymd-His-u') . '.eml';

$input = file_get_contents('php://stdin');
file_put_contents($mail_path . $name, $input);