s2gs file -- a fun little mystery for us

Array
(
[Player0] => Array
(
[Resources] => 28425
[Units] => 32725
[Structures] => 6100
[Overview] => 69300
[Average Unspent Resources] => 797
[Resource Collection Rate] => 1592
[Workers Created] => 70
[Units Trained] => 132
[Killed Unit Count] => 87
[Structures Built] => 63
[Structures Razed Count] => 0
[Spending Quotient] => 82.506486242342
)
[Player1] => Array
(
[Resources] => 31012
[Units] => 56625
[Structures] => 7000
[Overview] => 98487
[Average Unspent Resources] => 1495
[Resource Collection Rate] => 1949
[Workers Created] => 112
[Units Trained] => 252
[Killed Unit Count] => 85
[Structures Built] => 32
[Structures Razed Count] => 11
[Spending Quotient] => 77.608697996132
)
)

<?php
$c = bin2hex(gzuncompress(file_get_contents($_GET['file'].'.s2gs', false, null, 16)));
$desc = array('Resources','Units','Structures','Overview','Average Unspent Resources','Resource Collection Rate','Workers Created','Units Trained','Killed Unit Count','Structures Built','Structures Razed Count');
for ($i = 0; $i < sizeof($desc); $i++)
{
$bleh = str_pad(base_convert($i * 2, 10, 16), 2, '0', STR_PAD_LEFT);
$search = '09ce0f0209'.$bleh.'02001e00';
$pos = strpos($c, $search) + strlen($search);
$found = 0;
for ($p = 0; $p <= 14; $pos += 2)
{
$hex = substr($c, $pos, 2);
if ($hex == '02')
{
$found = 1;
$after = strpos($c, '020400', $pos);
$value = substr($c, $pos + 10, $after - $pos - 10);
$v = 0;
for ($x = 0; $x*2 < strlen($value); $x++)
{
$dec = base_convert(substr($value, $x*2, 2),16,10);
if ($x == 0) $inc = $dec;
if ($x == 1) $inc = ($dec-1)*128;
if ($x == 2) $inc = ($dec-1)*16384;
$v += $inc;
}
$v = $v / 2;
$players['Player'.$p][$desc[$i]] = $v;
$pos = $after;
}
if ($hex == '00')
{
if ($found == 1) $found = 0;
else $p++;
}
}
}
foreach($players as $k => $v)
{
$i = $players[$k]['Resource Collection Rate'];
$u = $players[$k]['Average Unspent Resources'];
$players[$k]['Spending Quotient'] = 35*(0.00137*$i-log($u))+240;
}
echo '<pre>';
print_r($players);
echo '</pre>';
?>