<?php
 namespace TechSoft\Laravel\Assets\Driver; use Illuminate\Support\Facades\Cache; use TechSoft\Laravel\Assets\AssetsPath; class CdnAssetsPath implements AssetsPath { const CACHE_PREFIX = 'assets-file:'; public function getPathWithHash($file) { $hash = Cache::get($flag = self::CACHE_PREFIX . $file, null); if (null !== $hash) { return $file . '?' . $hash; } if (file_exists($file)) { $hash = '' . crc32(md5_file($file)); Cache::put($flag, $hash, 0); return $file . '?' . $hash; } Cache::put($flag, '', 0); return $file; } public function getCDN($file) { $cdnArray = config('assets.assets_cdn_array', ['/']); $cdnIndex = abs(crc32($file) % count($cdnArray)); return $cdnArray[$cdnIndex]; } } 