Initial commit / First Release

www/app/Helpers/FileSize.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Helpers;
+
+class FileSize
+{
+    private const UNITS = ['', 'K', 'M', 'G', 'T'];
+    private const THRESHOLD = 1024;
+
+    /**
+     * Format bytes into human-readable file size.
+     */
+    public static function format(int $bytes): string
+    {
+        if ($bytes === 0) {
+            return '0';
+        }
+
+        $unitIndex = (int) floor(log($bytes, self::THRESHOLD));
+        $unitIndex = min($unitIndex, count(self::UNITS) - 1);
+        
+        $size = $bytes / pow(self::THRESHOLD, $unitIndex);
+        
+        return number_format($size, 2) . self::UNITS[$unitIndex];
+    }
+}