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File size format conversion

WBOY
WBOYOriginal
2016-07-25 08:47:501421browse
Convert file bytes B to KB, MB, GB, TB
  1. function format_bytes($size,$r) {
  2. $units = array("B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB ", "YB");
  3. for ($i = 0; $size >= 1024 && $i < 4; $i++) $size /= 1024;
  4. return round($size,$r).$units [$i];
  5. }
  6. //$r is the number of decimal places
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