access.php
6 months ago
behavior.php
6 months ago
bootstrap.php
6 months ago
contentlanguage.php
6 months ago
date.php
6 months ago
form.php
6 months ago
formbehavior.php
6 months ago
grid.php
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jquery.php
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list.php
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number.php
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select.php
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user.php
6 months ago
number.php
113 lines
| 1 | <?php |
| 2 | /** |
| 3 | * @package VikWP - Libraries |
| 4 | * @subpackage adapter.html |
| 5 | * @author E4J s.r.l. |
| 6 | * @copyright Copyright (C) 2023 E4J s.r.l. All Rights Reserved. |
| 7 | * @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL |
| 8 | * @link https://vikwp.com |
| 9 | */ |
| 10 | |
| 11 | // No direct access |
| 12 | defined('ABSPATH') or die('No script kiddies please!'); |
| 13 | |
| 14 | /** |
| 15 | * HTML helper class for rendering numbers. |
| 16 | * |
| 17 | * @since 10.1.17 |
| 18 | */ |
| 19 | abstract class JHtmlNumber |
| 20 | { |
| 21 | /** |
| 22 | * Converts bytes to more distinguishable formats such as: |
| 23 | * kilobytes, megabytes, etc. |
| 24 | * |
| 25 | * By default, the proper format will automatically be chosen. |
| 26 | * However, one of the allowed unit types (viz. 'b', 'kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB') may also be used instead. |
| 27 | * IEC standard unit types ('KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB') can be used as well. |
| 28 | * |
| 29 | * @param string $bytes The number of bytes. Can be either numeric or suffixed format: 32M, 60K, 12G or 812b. |
| 30 | * @param string $unit The type of unit to return, a few special values are: |
| 31 | * - blank string for no unit; |
| 32 | * - 'auto' to choose automatically (default); |
| 33 | * - 'binary' to choose automatically but use binary unit prefix. |
| 34 | * @param integer $precision The number of digits to be used after the decimal place. |
| 35 | * @param bool $iec Whether to be aware of IEC standards. IEC prefixes are always acceptable in input. |
| 36 | * When IEC is ON: KiB = 1024 B, KB = 1000 B |
| 37 | * When IEC is OFF: KiB = 1024 B, KB = 1024 B |
| 38 | * |
| 39 | * @return string The number of bytes in the proper units. |
| 40 | * |
| 41 | * @link https://en.wikipedia.org/wiki/Binary_prefix |
| 42 | */ |
| 43 | public static function bytes($bytes, $unit = 'auto', $precision = 2, $iec = false) |
| 44 | { |
| 45 | /* |
| 46 | * Allowed 123.45, 123.45 M, 123.45 Mi, 123.45 MB, 123.45 MiB, 1.2345E+12MB, 1.2345E+12 MB , 1.2345E+12 MiB etc. |
| 47 | * i.e. – Any number in decimal digits or in sci. notation, optional space, optional 1-3 letter unit suffix |
| 48 | */ |
| 49 | if (is_numeric($bytes)) |
| 50 | { |
| 51 | $oBytes = $bytes; |
| 52 | } |
| 53 | else |
| 54 | { |
| 55 | preg_match('/(.*?)\s?((?:[KMGTPEZY]i?)?B?)$/i', trim($bytes), $matches); |
| 56 | list(, $oBytes, $oUnit) = $matches; |
| 57 | |
| 58 | if ($oUnit && is_numeric($oBytes)) |
| 59 | { |
| 60 | $oBase = $iec && strpos($oUnit, 'i') === false ? 1000 : 1024; |
| 61 | $factor = pow($oBase, stripos('BKMGTPEZY', $oUnit[0])); |
| 62 | $oBytes *= $factor; |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | if (empty($oBytes) || !is_numeric($oBytes)) |
| 67 | { |
| 68 | return 0; |
| 69 | } |
| 70 | |
| 71 | $oBytes = round($oBytes); |
| 72 | |
| 73 | // if no unit is requested return early |
| 74 | if ($unit === '') |
| 75 | { |
| 76 | return (string) $oBytes; |
| 77 | } |
| 78 | |
| 79 | $stdSuffixes = array('b', 'kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'); |
| 80 | $iecSuffixes = array('b', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB'); |
| 81 | |
| 82 | // user supplied method |
| 83 | if (in_array($unit, $iecSuffixes)) |
| 84 | { |
| 85 | $base = 1024; |
| 86 | $i = array_search($unit, $iecSuffixes, true); |
| 87 | $suffix = $unit; |
| 88 | } |
| 89 | else if (in_array($unit, $stdSuffixes)) |
| 90 | { |
| 91 | $base = $iec ? 1000 : 1024; |
| 92 | $i = array_search($unit, $stdSuffixes, true); |
| 93 | $suffix = $unit; |
| 94 | } |
| 95 | else if ($unit === 'binary') |
| 96 | { |
| 97 | $base = 1024; |
| 98 | $i = (int) floor(log($oBytes, $base)); |
| 99 | $suffix = $iecSuffixes[$i]; |
| 100 | } |
| 101 | else |
| 102 | { |
| 103 | // default method |
| 104 | $base = $iec ? 1000 : 1024; |
| 105 | $i = (int) floor(log($oBytes, $base)); |
| 106 | $suffix = $stdSuffixes[$i]; |
| 107 | } |
| 108 | |
| 109 | // format number using current locale |
| 110 | return number_format_i18n(round($oBytes / pow($base, $i), (int) $precision), (int) $precision) . ' ' . $suffix; |
| 111 | } |
| 112 | } |
| 113 |