使用 PHP 7 增强功能提高性能
如何做...
Namespace Application\Web;
use Exception;
use SplFileObject;
class Access
{
const ERROR_UNABLE = 'ERROR: unable to open file';
protected $log;
public $frequency = array();
public function __construct($filename)
{
if (!file_exists($filename)) {
$message = __METHOD__ . ' : ' . self::ERROR_UNABLE . PHP_EOL;
$message .= strip_tags($filename) . PHP_EOL;
throw new Exception($message);
}
$this->log = new SplFileObject($filename, 'r');
}如何运行...

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