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Tweaks to unit converter

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This commit is contained in:
Marcin Kurczewski 2014-02-18 16:39:24 +01:00
parent 2bad17ebdb
commit 43a33e579d
1 changed files with 26 additions and 15 deletions
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39
src/Helpers/TextHelper.php
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@ -87,33 +87,44 @@ class TextHelper
{
$suffix = substr($string, -1, 1);
$index = array_search($suffix, $suffixes);
if ($index === false)
return $string;
$number = intval($string);
for ($i = 0; $i < $index; $i ++)
$number *= $base;
return $number;
return floatval($string) * pow($base, $index !== false ? $index : 0);
}
private static function useUnits($number, $base, $suffixes)
private static function useUnits($number, $base, $suffixes, $fmtCallback = null)
{
$suffix = array_shift($suffixes);
if ($number < $base)
{
return sprintf('%d%s', $number, $suffix);
}
do
while ($number >= $base and !empty($suffixes))
{
$suffix = array_shift($suffixes);
$number /= (float) $base;
}
while ($number >= $base and !empty($suffixes));
if ($fmtCallback === null)
{
$fmtCallback = function($number, $suffix)
{
if ($suffix == '')
return $number;
return sprintf('%.01f%s', $number, $suffix);
};
}
return $fmtCallback($number, $suffix);
}
public static function useBytesUnits($number)
{
return self::useUnits($number, 1024, ['B', 'K', 'M', 'G']);
return self::useUnits(
$number,
1024,
['B', 'K', 'M', 'G'],
function($number, $suffix)
{
if ($number < 20 and $suffix != 'B')
return sprintf('%.01f%s', $number, $suffix);
return sprintf('%.0f%s', $number, $suffix);
});
}
public static function useDecimalUnits($number)