> 24) & 0xff;
$d = 0x0000ffff / ($c & 0x00ffffff);
while ($nShift < 29)
{
$d *= 256.0;
$nShift++;
}
while ($nShift > 29)
{
$d /= 256.0;
$nShift--;
}
$v = 0x0000ffff00000000/$d;
return $v;
}
function hash_to_difficulty($coin, $hash)
{
$target = (double) 0.;
$bin = pack('H*', $hash);
// direct 'P' (uint64) type requires PHP 5.6.3
$bytes = unpack('C*', $bin);
// 00000000660556fdc8eabd080369...;
// zeros on the left, and we ignore the 2 first bytes (0000)
$oft = 2 + 1; // $bytes keys start at offset 1
for ($i=0; $i<8; $i++) {
$target += $bytes[$oft+$i] << ((7-$i)*8);
}
return target_to_diff($target);
}
function htoi($s)
{
$val = 0.0;
$x = 0;
if($s[$x] == '0' && ($s[$x+1] == 'x' || $s[$x+1] == 'X'))
$x += 2;
while(isset($s[$x]))
{
// debuglog("{$s[$x]}");
if($s[$x] >= '0' && $s[$x] <='9')
$val = $val * 16 + $s[$x] - '0';
else if($s[$x]>='A' && $s[$x] <='F')
{
debuglog($s[$x]);
debuglog($s[$x] - chr('A'));
$val = $val * 16 + ord($s[$x]) - ord('A') + 10;
}
else if($s[$x]>='a' && $s[$x] <='f')
$val = $val * 16 + ord($s[$x]) - ord('a') + 10;
else
return 0;
$x++;
}
return $val;
}
/////////////////////////////////////////////////////////////////////////////////////////////
function GetMonthString($n)
{
$timestamp = mktime(0, 0, 0, $n, 1, 2005);
return date("F", $timestamp);
}
function bitcoinvaluetoa($v)
{
return sprintf('%.8f', round($v, 8, PHP_ROUND_HALF_DOWN));
}
function mbitcoinvaluetoa($v)
{
return sprintf('%.5f', round($v, 5, PHP_ROUND_HALF_DOWN));
}
function altcoinvaluetoa($v)
{
return sprintf('%.6f', round($v, 6, PHP_ROUND_HALF_DOWN));
}
function percentvaluetoa($v)
{
return sprintf('%.3f', round($v, 3, PHP_ROUND_HALF_DOWN));
}
function timestampfromstr($str)
{
if (strpos("$str", ':')) {
$dt = DateTime::createFromFormat('Y-m-d H:i:s e', $str);
if (is_object($dt))
return $dt->getTimestamp();
}
return 0;
}
function datetoa($d)
{
if (strpos($d, ':')) {
$d = timestampfromstr($d);
}
if(empty($d)) return '';
$t = wp_mktime($d);
$e = time() - $t;
$table = array(
// limit divider
array('year', 60*60*24*365, 60*60*24*365),
array('month', 60*60*24*60, 60*60*24*30),
array('week', 60*60*24*14, 60*60*24*7),
array('day', 60*60*24*2, 60*60*24),
array('hour', 60*60*2, 60*60),
array('min', 60*2, 60),
array('sec', 0, 1),
);
foreach($table as $r)
{
if($e >= $r[1])
{
$res = floor($e/$r[2]) . " " . $r[0] . (($e/$r[2])>=2?"s":""); //. " ago";
break;
}
}
return "$res";
}
function datetoa2($d)
{
if (strpos($d, ':')) {
$d = timestampfromstr($d);
}
if(empty($d)) return '';
$table = array(
// limit divider
array('y', 60*60*24*365, 60*60*24*365),
array('mo', 60*60*24*60, 60*60*24*30),
array('w', 60*60*24*14, 60*60*24*7),
array('d', 60*60*24*2, 60*60*24),
array('h', 60*60*2, 60*60),
array('m', 90, 60),
array('s', 0, 1),
);
$e = time() - $d;
foreach($table as $r)
{
if($e >= $r[1])
{
// $res = floor($e/$r[2]) . " " . $r[0] . (($e/$r[2])>=2?"s":""). " ago";
// $res = ''.floor($e/$r[2]) . " " . $r[0] . (($e/$r[2])>=2?"s":"");
$res = ''.floor($e/$r[2]) . $r[0];
break;
}
}
$f = date('Y-m-d H:i:s', $d);
if(empty($res)) $res = 'now';
return "$res";
}
function sectoa($i)
{
// if($i < (60*60))
// return sprintf("%d:%02d", $i%(60*60)/60, $i%60);
// else
return sprintf("%d:%02d:%02d", $i/(60*60), $i%(60*60)/60, $i%60);
}
function sectoa2($i)
{
$table = array(
// limit divider
array('year', 60*60*24*365, 60*60*24*365),
array('month', 60*60*24*60, 60*60*24*30),
array('week', 60*60*24*14, 60*60*24*7),
array('day', 60*60*24*2, 60*60*24),
array('hour', 60*60*2, 60*60),
array('min', 60*2, 60),
array('sec', 0, 1),
);
$res = '';
foreach($table as $r)
{
// debuglog("testing {$r[0]}");
if($i >= $r[1])
{
$res = floor($i/$r[2]) . " " . $r[0] . (($i/$r[2]) >= 2? "s": "");
break;
}
}
return $res;
}
/////////////////////////////////////////////////////////////////////////////////////////////
function Itoa($i)
{
$s = '';
if($i >= 1024*1024*1024)
$s = round(floatval($i)/1024/1024/1024, 1) ."G";
else if($i >= 1024*1024)
$s = round(floatval($i)/1024/1024, 1) ."M";
else if($i >= 1024)
$s = round(floatval($i)/1024, 1) ."K";
else
$s = round(floatval($i), 1);
return $s;
}
function Itoa2($i, $precision=1)
{
$s = '';
if($i >= 1000*1000*1000*1000*1000)
$s = round(floatval($i)/1000/1000/1000/1000/1000, $precision) ." P";
else if($i >= 1000*1000*1000*1000)
$s = round(floatval($i)/1000/1000/1000/1000, $precision) ." T";
else if($i >= 1000*1000*1000)
$s = round(floatval($i)/1000/1000/1000, $precision) ." G";
else if($i >= 1000*1000)
$s = round(floatval($i)/1000/1000, $precision) ." M";
else if($i >= 1000)
$s = round(floatval($i)/1000, $precision) ." k";
else
$s = round(floatval($i), $precision);
return $s;
}
function YesNo($b)
{
if($b) return 'Yes';
else return '';
}
function Booltoa($b)
{
if($b)
return '
';
}
function precision($n, $p)
{
if($p < 0) return 0;
$temp = pow(10, $p);
return round($n * $temp) / $temp;
}
///////////////////////////////////////
function wp_mktime($_timestamp = '')
{
if($_timestamp){
$_split_datehour = explode(' ',$_timestamp);
$_split_data = explode("-", $_split_datehour[0]);
$_split_hour = explode(":", $_split_datehour[1]);
return mktime ($_split_hour[0], $_split_hour[1], $_split_hour[2], $_split_data[1], $_split_data[2], $_split_data[0]);
}
}
///////////////////////
function strip_tags_content($text, $tags = '', $invert = FALSE)
{
preg_match_all('/<(.+?)[\s]*\/?[\s]*>/si', trim($tags), $tags);
$tags = array_unique($tags[1]);
if(is_array($tags) AND count($tags) > 0) {
if($invert == FALSE) {
return preg_replace('@<(?!(?:'. implode('|', $tags) .')\b)(\w+)\b.*?>.*?@si', '', $text);
}
else {
return preg_replace('@<('. implode('|', $tags) .')\b.*?>.*?@si', '', $text);
}
}
elseif($invert == FALSE) {
return preg_replace('@<(\w+)\b.*?>.*?@si', '', $text);
}
return $text;
}
///////////////////////////////////////////////////////////////////
function formatText($text)
{
$text = preg_replace('/http:\/\/([^\s]*)/i',
"http://$1", $text);
$text = preg_replace('/https:\/\/([^\s]*)/i',
"https://$1", $text);
$text = preg_replace('/\#([a-zA-Z0-9_Ç-�]*)/',
"#$1", $text);
$text = preg_replace('/\@([a-zA-Z0-9_Ç-�]*)/',
"@$1 ", $text);
$text = force_wordbreak($text, 80);
return $text;
}
function formatWalletVersion($coin)
{
$version = substr($coin->version, 0, 20);
if (is_numeric($version)) {
$decver = sprintf("%08d", 0 + $version);
$version = intval(substr($decver, 0, 2)).'.'.intval(substr($decver, 2, 2)).
'.'.intval(substr($decver, 4, 2));
if (intval(substr($decver, 6)))
$version .= '.'.intval(substr($decver, 6));
} else {
$version = ltrim($version, 'v');
}
return $version;
}