<?php
// (с) By Zager V.B. Dubna 2014 for Meteobox.tk project.
$fp = fopen($_POST['ID'], "a");
$now = time();  
$buffer="t=".$now;

foreach(array_keys($_POST) as $key) {
    if (strtoupper($key) != 'ID')
    {
        $buffer.="&".$key."=".  $_POST[$key];
    }
}

$buffer.="\n";
fwrite($fp, $buffer);
fclose($fp);
?>