src/FileCache.php
public function flush()
    {
        $list = glob($this->filePath . '*');
        foreach ($list as $file) {
            unlink($file);
        }
        return true;
    }
public function flush()
    {
        $list = glob($this->filePath . '*');
        foreach ($list as $file) {
            unlink($file);
        }
        return true;
    }
public function flush ( ) { $ list = glob ( $ this -> filePath . '*' ) ; foreach ( $ list as $ file ) { unlink ( $ file ) ; } return true ; }
清空所有缓存
@return mixed
清空所有缓存