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1 <?php |
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2 /** |
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3 * Zend Framework |
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4 * |
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5 * LICENSE |
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6 * |
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7 * This source file is subject to the new BSD license that is bundled |
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8 * with this package in the file LICENSE.txt. |
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9 * It is also available through the world-wide-web at this URL: |
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10 * http://framework.zend.com/license/new-bsd |
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11 * If you did not receive a copy of the license and are unable to |
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12 * obtain it through the world-wide-web, please send an email |
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13 * to license@zend.com so we can send you a copy immediately. |
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14 * |
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15 * @category Zend |
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16 * @package Zend_Measure |
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17 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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18 * @license http://framework.zend.com/license/new-bsd New BSD License |
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19 * @version $Id: Binary.php 20096 2010-01-06 02:05:09Z bkarwin $ |
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20 */ |
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21 |
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22 /** |
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23 * Implement needed classes |
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24 */ |
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25 require_once 'Zend/Measure/Abstract.php'; |
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26 require_once 'Zend/Locale.php'; |
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27 |
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28 /** |
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29 * Class for handling binary conversions |
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30 * |
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31 * @category Zend |
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32 * @package Zend_Measure |
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33 * @subpackage Zend_Measure_Binary |
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34 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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35 * @license http://framework.zend.com/license/new-bsd New BSD License |
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36 */ |
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37 class Zend_Measure_Binary extends Zend_Measure_Abstract |
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38 { |
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39 const STANDARD = 'BYTE'; |
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40 |
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41 const BIT = 'BIT'; |
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42 const CRUMB = 'CRUMB'; |
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43 const NIBBLE = 'NIBBLE'; |
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44 const BYTE = 'BYTE'; |
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45 const KILOBYTE = 'KILOBYTE'; |
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46 const KIBIBYTE = 'KIBIBYTE'; |
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47 const KILO_BINARY_BYTE = 'KILO_BINARY_BYTE'; |
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48 const KILOBYTE_SI = 'KILOBYTE_SI'; |
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49 const MEGABYTE = 'MEGABYTE'; |
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50 const MEBIBYTE = 'MEBIBYTE'; |
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51 const MEGA_BINARY_BYTE = 'MEGA_BINARY_BYTE'; |
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52 const MEGABYTE_SI = 'MEGABYTE_SI'; |
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53 const GIGABYTE = 'GIGABYTE'; |
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54 const GIBIBYTE = 'GIBIBYTE'; |
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55 const GIGA_BINARY_BYTE = 'GIGA_BINARY_BYTE'; |
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56 const GIGABYTE_SI = 'GIGABYTE_SI'; |
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57 const TERABYTE = 'TERABYTE'; |
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58 const TEBIBYTE = 'TEBIBYTE'; |
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59 const TERA_BINARY_BYTE = 'TERA_BINARY_BYTE'; |
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60 const TERABYTE_SI = 'TERABYTE_SI'; |
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61 const PETABYTE = 'PETABYTE'; |
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62 const PEBIBYTE = 'PEBIBYTE'; |
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63 const PETA_BINARY_BYTE = 'PETA_BINARY_BYTE'; |
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64 const PETABYTE_SI = 'PETABYTE_SI'; |
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65 const EXABYTE = 'EXABYTE'; |
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66 const EXBIBYTE = 'EXBIBYTE'; |
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67 const EXA_BINARY_BYTE = 'EXA_BINARY_BYTE'; |
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68 const EXABYTE_SI = 'EXABYTE_SI'; |
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69 const ZETTABYTE = 'ZETTABYTE'; |
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70 const ZEBIBYTE = 'ZEBIBYTE'; |
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71 const ZETTA_BINARY_BYTE = 'ZETTA_BINARY_BYTE'; |
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72 const ZETTABYTE_SI = 'ZETTABYTE_SI'; |
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73 const YOTTABYTE = 'YOTTABYTE'; |
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74 const YOBIBYTE = 'YOBIBYTE'; |
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75 const YOTTA_BINARY_BYTE = 'YOTTA_BINARY_BYTE'; |
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76 const YOTTABYTE_SI = 'YOTTABYTE_SI'; |
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77 |
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78 /** |
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79 * Calculations for all binary units |
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80 * |
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81 * @var array |
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82 */ |
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83 protected $_units = array( |
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84 'BIT' => array('0.125', 'b'), |
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85 'CRUMB' => array('0.25', 'crumb'), |
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86 'NIBBLE' => array('0.5', 'nibble'), |
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87 'BYTE' => array('1', 'B'), |
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88 'KILOBYTE' => array('1024', 'kB'), |
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89 'KIBIBYTE' => array('1024', 'KiB'), |
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90 'KILO_BINARY_BYTE' => array('1024', 'KiB'), |
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91 'KILOBYTE_SI' => array('1000', 'kB.'), |
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92 'MEGABYTE' => array('1048576', 'MB'), |
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93 'MEBIBYTE' => array('1048576', 'MiB'), |
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94 'MEGA_BINARY_BYTE' => array('1048576', 'MiB'), |
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95 'MEGABYTE_SI' => array('1000000', 'MB.'), |
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96 'GIGABYTE' => array('1073741824', 'GB'), |
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97 'GIBIBYTE' => array('1073741824', 'GiB'), |
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98 'GIGA_BINARY_BYTE' => array('1073741824', 'GiB'), |
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99 'GIGABYTE_SI' => array('1000000000', 'GB.'), |
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100 'TERABYTE' => array('1099511627776', 'TB'), |
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101 'TEBIBYTE' => array('1099511627776', 'TiB'), |
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102 'TERA_BINARY_BYTE' => array('1099511627776', 'TiB'), |
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103 'TERABYTE_SI' => array('1000000000000', 'TB.'), |
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104 'PETABYTE' => array('1125899906842624', 'PB'), |
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105 'PEBIBYTE' => array('1125899906842624', 'PiB'), |
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106 'PETA_BINARY_BYTE' => array('1125899906842624', 'PiB'), |
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107 'PETABYTE_SI' => array('1000000000000000', 'PB.'), |
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108 'EXABYTE' => array('1152921504606846976', 'EB'), |
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109 'EXBIBYTE' => array('1152921504606846976', 'EiB'), |
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110 'EXA_BINARY_BYTE' => array('1152921504606846976', 'EiB'), |
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111 'EXABYTE_SI' => array('1000000000000000000', 'EB.'), |
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112 'ZETTABYTE' => array('1180591620717411303424', 'ZB'), |
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113 'ZEBIBYTE' => array('1180591620717411303424', 'ZiB'), |
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114 'ZETTA_BINARY_BYTE'=> array('1180591620717411303424', 'ZiB'), |
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115 'ZETTABYTE_SI' => array('1000000000000000000000', 'ZB.'), |
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116 'YOTTABYTE' => array('1208925819614629174706176', 'YB'), |
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117 'YOBIBYTE' => array('1208925819614629174706176', 'YiB'), |
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118 'YOTTA_BINARY_BYTE'=> array('1208925819614629174706176', 'YiB'), |
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119 'YOTTABYTE_SI' => array('1000000000000000000000000', 'YB.'), |
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120 'STANDARD' => 'BYTE' |
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121 ); |
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122 } |