Files.php

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<?php

namespace Elgg\Cache\Config;

use Phpfastcache\Drivers\Files\Config;

class Files extends Config {
    
    public static function fromElggConfig(string $namespace, \Elgg\Config $config): ?self {
        
        $path = $config->cacheroot ?: $config->dataroot;
        if (!$path) {
            return null;
        }
        
        return new self([
            'path' => $path . 'fastcache' . DIRECTORY_SEPARATOR, // make a separate folder for fastcache caches
            'defaultChmod' => 0770,
            'preventCacheSlams' => true,
            'useStaticItemCaching' => true,
            'itemDetailedDate' => true,
            'securityKey' => $namespace, // to make sure cli and webserver use the same folder and to separate caches
        ]);
    }
}