59 lines
1.4 KiB
PHP
59 lines
1.4 KiB
PHP
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<?php
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namespace app\utils;
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use RecursiveDirectoryIterator;
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use RecursiveIteratorIterator;
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class FileSizeHelper
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{
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/**
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* 计算指定目录的大小
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*
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* @param string $directory 目录路径
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* @return int 目录的大小（字节）
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*/
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public static function getDirectorySize(string $directory): int
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{
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$size = 0;
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$files = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($directory));
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foreach ($files as $file) {
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if ($file->isFile()) {
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$size += $file->getSize();
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}
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}
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return $size;
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}
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/**
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* @param $bytes
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* @param $precision
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* @return string
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*/
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public static function formatBytes($bytes, $precision = 2): string
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{
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$units = array('B', 'KB', 'MB', 'GB', 'TB');
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$bytes = max($bytes, 0);
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$pow = floor(($bytes ? log($bytes) : 0) / log(1024));
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$pow = min($pow, count($units) - 1);
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$bytes /= pow(1024, $pow);
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return round($bytes, $precision) . ' ' . $units[$pow];
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}
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/**
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* @param $megabytes
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* @param $precision
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* @return string
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*/
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public static function formatMegaBytes($megabytes, $precision = 2): string
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{
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if($megabytes===-1){
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return '∞';
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}
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$bytes = $megabytes * pow(1024, 2); // Convert megabytes to bytes
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return self::formatBytes($bytes, $precision);
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}
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}
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