Hacky script to get o2's allowence stats when tethering

allowence.php

<?php
date_default_timezone_set('Europe/London');

$balance = @file_get_contents('http://wap.o2.co.uk/mybalance') or die('No Connection');
$result = simplexml_load_string($balance);
$output = array();
foreach($result->body->div as $div) {
    $jackpot = false;
    foreach($div->attributes() as $c => $k) {
        if((string)$c === 'class' && (string)$k === 'm4') {
            $jackpot = true;
        }
    }
    if($jackpot){
        $output[] = $div;
    }
}
$array = (Array)$output[1];
$allowence   = $array['span'][1];
$used 		= $array['span'][3];
$remaining 	= $array['span'][5];

$date = date('d');
$daysInMonth = date('t');
$daysInLastMonth = date('t', strtotime('-1 month'));

if($date < 7) {
	$allDays = $daysInLastMonth;
	$today = $allDays-6+$date;
} else {
	$allDays = $daysInMonth;
	$today = $date-6;
}

$daysLeft = $allDays-$today+1;
$dataLeft = $allowence-$used;
$dayLeft = ($dataLeft/$daysLeft);
$daySpent = ($used/$today);

if($dayLeft == 0){
	$percentToday = '-.--%';
} else {
	$percentToday = number_format(100/($dayLeft/$daySpent),2).'%';
}

echo 'Updated   : '.date('D d H:i:s',time()).PHP_EOL;
echo PHP_EOL;

echo 'Allowance : '.$allowence.PHP_EOL;
echo 'Used      : '.$used.PHP_EOL;
echo 'Remaining : '.$remaining.PHP_EOL;
echo PHP_EOL;

echo 'Daily Stats'.PHP_EOL;
echo '==========='.PHP_EOL;
echo 'Days      : '.$allDays.'/'.$today.PHP_EOL;
echo '% Days    : '.@number_format(100/($allDays/$today)).'%'.PHP_EOL;
echo 'Daily     : '.@number_format($dayLeft,3).' MB'.PHP_EOL;
echo 'Spent     : '.@number_format($daySpent,3).' MB'.PHP_EOL;
echo '% Today   : '.$percentToday.PHP_EOL;
echo '% Total   : '.@number_format(100/($allowence/$used), 2).'%'.PHP_EOL;