= 1)
$converted = round($bytes/pow(1024, $i), 2) . ' ' . $units[$i];
}
return $converted;
}
function fsize_unit_convert_log($bytes)
{
$units = array('B', 'KiB', 'MiB', 'GiB', 'TiB');
if($bytes >= 1024)
{
$i = (int) log($bytes, 2) / 10;
$converted = round($bytes/pow(1024, $i), 2) . ' ' . $units[$i];
}else $converted = $bytes . ' ' . $units[0];
return $converted;
}
$def_blockSize_1000 = Array(Array(1.0,'B'),
Array(1000.0,'kB'),
Array(1000000.0,'MB'),
Array(1000000000.0,'GB'),
Array(1000000000000.0,'TB'));
$def_blockSize_1024 = Array(Array(1.0,'B'),
Array(1024.0,'KiB'),
Array(1024.0*1024.0,'MiB'),
Array(1024.0*1024.0*1024.0,'GiB'),
Array(1024.0*1024.0*1024.0*1024.0,'TiB'));
$def_blockSize_1024_cnt = count($def_blockSize_1024);
function HumanReadableSize($value, $ain,$decimal=2,$dec_points='.',$thousands_sep='')
{
if($value < 0)
return "?";
for($i = count($ain)-1;$i > 0;$i--)
{
if($value >= $ain[$i][0])
return number_format((float)$value / $ain[$i][0],$decimal,$dec_points,$thousands_sep) . $ain[$i][1];
}
return number_format($value,$decimal,$dec_points,$thousands_sep) . $ain[0][1];
}
function HumanReadableSizeTest($value)
{
if($value < 0)
return "?";
global $def_blockSize_1024, $def_blockSize_1024_cnt;
for($i = $def_blockSize_1024_cnt-1;$i > 0;$i--)
{
if($value >= $def_blockSize_1024[$i][0])
return round((float)$value / $def_blockSize_1024[$i][0],2) . $def_blockSize_1024[$i][1];
}
return round($value,2) . $def_blockSize_1024[0][1];
}
echo "SI
\n";
echo "900B = " . HumanReadableSize(900,$def_blockSize_1000) ."
\n";
echo "1101B =" . HumanReadableSize(1101,$def_blockSize_1000) ."
\n";
echo "1200123B = " . HumanReadableSize(1200123,$def_blockSize_1000) ."
\n";
echo "1307895456B = " . HumanReadableSize(1307895456,$def_blockSize_1000) ."
\n";
echo "1571597537412B = " . HumanReadableSize(1571597537412,$def_blockSize_1000) ."
\n";
echo "Binary
\n";
echo "HRS 900B = " . HumanReadableSize(900,$def_blockSize_1024) ."
\n";
echo "FUS 900B = " . fsize_unit_convert(900) ."
\n";
echo "FUSL 900B = " . fsize_unit_convert_log(900) ."
\n";
echo "HRS 1024B = " . HumanReadableSize(1024,$def_blockSize_1024) ."
\n";
echo "FUS 1024B = " . fsize_unit_convert(1024) ."
\n";
echo "FUSL 1024B = " . fsize_unit_convert_log(1024) ."
\n";
echo "HRS 1101B = " . HumanReadableSize(1101,$def_blockSize_1024) ."
\n";
echo "FUS 1101B = " . fsize_unit_convert(1101) ."
\n";
echo "FUSL 1101B = " . fsize_unit_convert_log(1101) ."
\n";
echo "HRS 1200123B = " . HumanReadableSize(1200123,$def_blockSize_1024) ."
\n";
echo "FUS 1200123B = " . fsize_unit_convert(1200123) ."
\n";
echo "FUSL 1200123B = " . fsize_unit_convert_log(1200123) ."
\n";
echo "HRS 1307895456B = " . HumanReadableSize(1307895456,$def_blockSize_1024) ."
\n";
echo "FUS 1307895456B = " . fsize_unit_convert(1307895456) ."
\n";
echo "FUSL 1307895456B = " . fsize_unit_convert_log(1307895456) ."
\n";
echo "HRS 1571597537412B = " . HumanReadableSize(1571597537412,$def_blockSize_1024) ."
\n";
echo "FUS 1571597537412B = " . fsize_unit_convert(1571597537412) ."
\n";
echo "FUSL 1571597537412B = " . fsize_unit_convert_log(1571597537412) ."
\n";
echo "\n
TEST started
\n";
$testIteration = 1000000;
//test HumanReadableSizeTest
$start = microtime(true);
for($i = 0;$i < $testIteration; $i++)
{
$c = HumanReadableSizeTest(mt_rand(0,2147483647)*1234.0);
}
$HMST_time = microtime(true) - $start;
//test HumanReadableSize
$start = microtime(true);
for($i = 0;$i < $testIteration; $i++)
{
$c = HumanReadableSize(mt_rand(0,2147483647)*1234.0,$def_blockSize_1024);
}
$HMS_time = microtime(true) - $start;
//test fsize_unit_convert
$start = microtime(true);
for($i = 0;$i < $testIteration; $i++)
{
$c = fsize_unit_convert(mt_rand(0,2147483647)*1234.0);
}
$FSC_time = microtime(true) - $start;
//test fsize_unit_convert
$start = microtime(true);
for($i = 0;$i < $testIteration; $i++)
{
$c = fsize_unit_convert_log(mt_rand(0,2147483647)*1234.0);
}
$FSCL_time = microtime(true) - $start;
echo "\n
Test finished
\n";
echo "HMST: $HMST_time sec (HumanReadableSizeTest)
\n";
echo " HMS: $HMS_time sec (HumanReadableSize)
\n";
echo " FSC: $FSC_time sec (fsize_unit_convert)
\n";
echo "FSCL: $FSCL_time sec (fsize_unit_convert_log)
\n";
return;
?>