pixelfed/app/Util/Lexer/PrettyNumber.php
2018-06-02 16:53:35 -06:00

36 lines
949 B
PHP

<?php
namespace App\Util\Lexer;
class PrettyNumber {
public static function convert($expression)
{
$abbrevs = array(12 => "T", 9 => "B", 6 => "M", 3 => "K", 0 => "");
foreach($abbrevs as $exponent => $abbrev) {
if($expression >= pow(10, $exponent)) {
$display_num = $expression / pow(10, $exponent);
$num = number_format($display_num,0) . $abbrev;
return $num;
}
}
return $expression;
}
public static function size($expression, $kb = false)
{
if($kb) {
$expression = $expression * 1024;
}
$size = intval($expression);
$precision = 0;
$short = true;
$units = $short ?
['B','k','M','G','T','P','E','Z','Y'] :
['B','kB','MB','GB','TB','PB','EB','ZB','YB'];
for($i = 0; ($size / 1024) > 0.9; $i++, $size /= 1024) {}
$res = round($size, $precision).$units[$i];
return $res;
}
}