From c073878b30c5d9098c8b780834ec7fce10eefc86 Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Mon, 21 Jan 2019 11:47:47 +0100
Subject: lib/helper.php: add_fancy_unit() new

---
 lib/helper.php | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/helper.php b/lib/helper.php
index bb454f0..8296cd9 100644
--- a/lib/helper.php
+++ b/lib/helper.php
@@ -185,3 +185,11 @@ function site_is_reachable($url) {
     }
   return false;
 }
+
+function add_fancy_unit($value, $unit) {
+  $suffixes = array("z", "y", "a", "f", "p", "n", "µ", "m", "", "k", "M", "G", "T", "P", "Y", "Z");
+  if ($value==0)
+    return $value . " " . $unit;
+  $exponent = max(0,min(count($suffixes)-1,round(log(abs($value))/log(1024)-1)));
+  return sprintf("%.2f %s%s", $value / pow(1024,$exponent), $suffixes[8 + $exponent], $unit);
+}
-- 
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