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Improve the byte prefixes

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This will change the byte prefixes to IEC prefixes. The functions are
simplified so that the function for formatting bytes can be changed in
one place.
This commit is contained in:
Hyleus
2017-12-12 21:22:10 +01:00
parent 3f4921c89a
commit 6ce8b90e55
4 changed files with 30 additions and 29 deletions
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app/Helpers/StringHelper.php
+22 -5
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@@ -14,6 +14,11 @@ namespace App\Helpers;
class StringHelper
{
const KIB = 1024;
const MIB = 1024 * 1024;
const GIB = 1024 * 1024 * 1024;
const TIB = 1024 * 1024 * 1024 * 1024;
public static function generateRandomString($length = 20)
{
$characters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_-';
@@ -26,12 +31,24 @@ class StringHelper
public static function formatBytes($bytes, $precision = 2)
{
$units = array('B', 'KB', 'MB', 'GB', 'TB', 'PB');
$bytes = max($bytes, 0);
$pow = floor(($bytes ? log($bytes) : 0) / log(1024));
$pow = min($pow, count($units) - 1);
$bytes /= (1 << (10 * $pow));
return round($bytes, $precision) . ' ' . $units[$pow];
$suffix = 'B';
$value = $bytes;
if ($bytes >= self::TIB) {
$suffix = 'TiB';
$value = $bytes / self::TIB;
} else if ($bytes >= self::GIB) {
$suffix = "GiB";
$value = $bytes / self::GIB;
} else if ($bytes >= self::MIB) {
$suffix = "MiB";
$value = $bytes / self::MIB;
} else if ($bytes >= self::KIB) {
$suffix = "KiB";
$value = $bytes / self::KIB;
}
return round($value, $precision) . ' ' . $suffix;
}
/**