Keyboard LED Gmail checker

status-checker.php

#!/usr/bin/env php
<?php
/**
 * Checks your GMail for unread messages and lets your keyboard LED diod blink if there are some.
 *
 * (c) Martin Srank (http://smasty.net)
 * Licensed under the MIT License - http://opensource.org/licenses/mit-license
 * Use at your own risk. Tested on Debian Squeeze.
 */

// Gmail credentials
$user = 'username';
$pswd = 'password';

// Config options
$interval = 300;   // Interval for checking e-mail state (in seconds)
$ledID = '3';      // Keyboard LED ID
$blinkCount = 8;   // Number of LED blinks
$blinkSpeed = 0.2  // LED blink speed (in seconds)


while(true){
  $atom = file_get_contents("https://$user:$pswd@mail.google.com/mail/feed/atom");
  if(preg_match('~\<fullcount\>(\d+)\<\/fullcount\>~i', $atom, $match) && $match[1] > 0){
    
    for($i = 0; $i < $blinkCount; $i++){
      `xset -led $ledID`;
      usleep($blinkSpeed * 1e6);
      `xset led $ledID`;
      usleep($blinkSpeed * 1e6);
    }
  }
  sleep($interval);
}