system/helpers/number_helper.php

   1 <?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
   2 /**
   3  * CodeIgniter
   4  *
   5  * An open source application development framework for PHP 5.1.6 or newer
   6  *
   7  * @package             CodeIgniter
   8  * @author              ExpressionEngine Dev Team
   9  * @copyright   Copyright (c) 2008 - 2011, EllisLab, Inc.
  10  * @license             http://codeigniter.com/user_guide/license.html
  11  * @link                http://codeigniter.com
  12  * @since               Version 1.0
  13  * @filesource
  14  */
  15
  16 // ------------------------------------------------------------------------
  17
  18 /**
  19  * CodeIgniter Number Helpers
  20  *
  21  * @package             CodeIgniter
  22  * @subpackage  Helpers
  23  * @category    Helpers
  24  * @author              ExpressionEngine Dev Team
  25  * @link                http://codeigniter.com/user_guide/helpers/number_helper.html
  26  */
  27
  28 // ------------------------------------------------------------------------
  29
  30 /**
  31  * Formats a numbers as bytes, based on size, and adds the appropriate suffix
  32  *
  33  * @access      public
  34  * @param       mixed   // will be cast as int
  35  * @return      string
  36  */
  37 if ( ! function_exists('byte_format'))
  38 {
  39         function byte_format($num, $precision = 1)
  40         {
  41                 $CI =& get_instance();
  42                 $CI->lang->load('number');
  43
  44                 if ($num >= 1000000000000)
  45                 {
  46                         $num = round($num / 1099511627776, $precision);
  47                         $unit = $CI->lang->line('terabyte_abbr');
  48                 }
  49                 elseif ($num >= 1000000000)
  50                 {
  51                         $num = round($num / 1073741824, $precision);
  52                         $unit = $CI->lang->line('gigabyte_abbr');
  53                 }
  54                 elseif ($num >= 1000000)
  55                 {
  56                         $num = round($num / 1048576, $precision);
  57                         $unit = $CI->lang->line('megabyte_abbr');
  58                 }
  59                 elseif ($num >= 1000)
  60                 {
  61                         $num = round($num / 1024, $precision);
  62                         $unit = $CI->lang->line('kilobyte_abbr');
  63                 }
  64                 else
  65                 {
  66                         $unit = $CI->lang->line('bytes');
  67                         return number_format($num).' '.$unit;
  68                 }
  69
  70                 return number_format($num, $precision).' '.$unit;
  71         }
  72 }
  73
  74
  75 /* End of file number_helper.php */
  76 /* Location: ./system/helpers/number_helper.php */