convert : add humanSize conversion (1440 => 1.44KB)

git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@4179 bf3deb0d-5f1a-0410-827f-c0cc1f45334c

convert.php

@@ -83,4 +83,29 @@ class convert
     }
     return $res;
   }
+
+  /** Convert the provided integer to human readable format
+    * Example : 1440000000 => 1.44Mo
+    * @param integer $bytes The number of bytes to convert
+    * @param integer $decimal The number of decimal
+    */
+  public static function humanSize ($bytes, $decimals = 2)
+  {
+    $size = array (dgettext ("domframework", 'B'),
+                   dgettext ("domframework", 'kB'),
+                   dgettext ("domframework", 'MB'),
+                   dgettext ("domframework", 'GB'),
+                   dgettext ("domframework", 'TB'),
+                   dgettext ("domframework", 'PB'),
+                   dgettext ("domframework", 'EB'),
+                   dgettext ("domframework", 'ZB'),
+                   dgettext ("domframework", 'YB'));
+    $factor = floor ((strlen ($bytes) - 1) / 3);
+    if ($factor == 0)
+      $val = sprintf ("%d", intval ($bytes)). @$size[$factor];
+    else
+      $val = sprintf ("%.{$decimals}f", $bytes / pow (1024, $factor)) .
+             @$size[$factor];
+    return $val;
+  }
 }