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<?php
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/*
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* Copyright (C) 2019 Alexander Marston (alexander.marston@gmail.com)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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// Get the largest value in an array
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function getLargestValue($array) {
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return $max = array_reduce($array, function ($a, $b) {
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return $a > $b['total'] ? $a : $b['total'];
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});
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}
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function formatSize($bytes, $vnstatJsonVersion) {
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// json version 1 = convert from KiB
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// json version 2 = convert from bytes
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if ($vnstatJsonVersion == 1) {
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$bytes *= 1024; // convert from kibibytes to bytes
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}
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return formatBytes($bytes);
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}
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function formatBytes($bytes, $decimals = 2) {
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$base = log(floatval($bytes), 1024);
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$suffixes = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
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return round(pow(1024, $base - floor($base)), $decimals) .' '. $suffixes[floor($base)];
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}
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function formatBytesTo($bytes, $delimiter, $decimals = 2) {
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if ($bytes == 0) {
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return '0';
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}
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$k = 1024;
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$dm = $decimals < 0 ? 0 : $decimals;
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$sizes = ['B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
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$i = array_search($delimiter, $sizes);
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return number_format(($bytes / pow($k, $i)), $decimals);
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}
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function kibibytesToBytes($kibibytes, $vnstatJsonVersion) {
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if ($vnstatJsonVersion == 1) {
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return $kibibytes *= 1024;
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} else {
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return $kibibytes;
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}
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}
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function getLargestPrefix($kb)
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{
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$units = ['TB', 'GB', 'MB', 'KB', 'B'];
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$scale = 1024 * 1024 * 1024 * 1024;
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$ui = 0;
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while ((($kb < $scale) && ($scale > 1))) {
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$ui++;
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$scale = $scale / 1024;
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}
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return $units[$ui];
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}
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function sortingFunction($item1, $item2) {
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if ($item1['time'] == $item2['time']) {
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return 0;
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} else {
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return $item1['time'] > $item2['time'] ? -1 : 1;
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}
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};
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?>
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