PrettyNumber.php 1.0 KB

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  1. <?php
  2. namespace App\Util\Lexer;
  3. class PrettyNumber
  4. {
  5. public static function convert($number, $showDecimals = true)
  6. {
  7. if(!is_integer($number)) {
  8. return $number;
  9. }
  10. $abbrevs = [12 => 'T', 9 => 'B', 6 => 'M', 3 => 'K', 0 => ''];
  11. foreach ($abbrevs as $exponent => $abbrev) {
  12. if(abs($number) >= pow(10, $exponent)) {
  13. $display = $number / pow(10, $exponent);
  14. $decimals = ($exponent >= 3 && round($display) < 100) ? 1 : 0;
  15. $decimals = !$showDecimals ? 0 : $decimals;
  16. $number = number_format($display, $decimals).$abbrev;
  17. break;
  18. }
  19. }
  20. return $number;
  21. }
  22. public static function size($expression, $kb = false, $short = true)
  23. {
  24. if ($kb) {
  25. $expression = $expression * 1024;
  26. }
  27. $size = intval($expression);
  28. $precision = 0;
  29. $units = $short ?
  30. ['B', 'k', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y'] :
  31. ['B', 'kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
  32. for ($i = 0; ($size / 1024) > 0.9; $i++, $size /= 1024) {
  33. }
  34. $res = round($size, $precision).$units[$i];
  35. return $res;
  36. }
  37. }