http://nullvoid.org/bitcoin/difficultiez.php
<?
header("Content-type: text/html");
require_once 'jsonRPCClient.php';
$data=new jsonRPCClient('http://127.0.0.1:8332');
$blockcount = $data->getblockcount();
$now = date("U");
$blockfile = "blockdata";
$data = file($blockfile, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES); array_pop($data);
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<pre>
<?
function humantime($secs) {
if ($secs<0) return false;
$m = (int)($secs / 60); $s = $secs % 60; $s = ($s <= 9) ? "0$s" : $s;
$h = (int)($m / 60); $m = $m % 60; $m = ($m <= 9) ? "0$m" : $m;
$d = (int)($h / 24); $h = $h % 24; $h = ($h <= 9) ? "0$h" : $h;
$d = ($d <= 9) ? "0$d" : $d;
return $d."d $h:$m:$s";
}
// Converted from ArtForz's python code http://bitcointalk.org/index.php?topic=464.msg4080#msg4080
function uint256_from_compact($c) {
$nbytes = ($c >> 24) & 0xFF;
return bcmul($c & 0xFFFFFF,bcpow(2,8 * ($nbytes - 3)));
}
$tblock = 0;
$nTargetTimespan = 60 * 60 * 24 * 14;
bcscale(256);
foreach ($data as $line) {
$blocks = strtok($line, " ");
$date = strtok(" ");
$avghash = strtok(" ");
$bits = strtok(" ");
if ($blocks == 0 || $blocks == $tblock) {
$tblock = $blocks + 2016;
$blocknum = str_repeat(" ", 6 - strlen($blocks)).$blocks;
echo "Block $blocknum was generated at $date (".date("r", $date).")";
if ($blocks != 0) {
$intervalnum = $date - $lastdate;
$interval = str_repeat(" ", 9 - strlen($intervalnum)).$intervalnum;
echo " $interval seconds interval (".humantime($intervalnum).")";
echo " Difficulty: ".bcdiv(bcdiv(bcmul(uint256_from_compact(0x1D00FFFF),1000), uint256_from_compact($bits)), 1000);
$lastdate = $date;
}
echo "<br>";
}
}
?>
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