${errMsg}

${errDesc}

"; } $accept_lang = isset($_SERVER['HTTP_ACCEPT_LANGUAGE']) ? $_SERVER['HTTP_ACCEPT_LANGUAGE'] : ""; $filename = "index_en.html"; if (preg_match("/^ja.*/", $accept_lang)) { $filename = "index_ja.html"; } if (!file_exists($filename)) { echoError($errMsg404, $errDesc404); header('HTTP/1.1 404 Not Found'); exit; } if(!is_file($filename)) { echoError($errMsg404, $errDesc404); header('HTTP/1.1 404 Not Found'); exit; } if(!is_readable($filename)) { echoError($errMsg403, $errDesc403); header('HTTP/1.1 403 Forbidden'); exit; } $stat = @stat($filename); header("Content-Type: text/html"); header("Date: " . gmdate("D, d M Y H:i:s") . " GMT"); if(isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) && strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) >= $stat['mtime']) { header('Last-Modified: ' . gmdate("D, d M Y H:i:s", $stat['mtime']) . " GMT"); header('HTTP/1.1 304 Not Modified'); exit; } header('Last-Modified: ' . gmdate("D, d M Y H:i:s", $stat['mtime']) . " GMT"); header('Accept-Ranges: bytes'); header('Content-Length:' . $stat['size']); // PHPのバージョン情報を渡さないように、 // X-Powered-By: PHP/5.3.6と出ないようにする。 header_remove('X-Powered-By'); $lines = file($filename); if ($lines === false) { echoError($errMsg500, $errDesc500); header('HTTP/1.1 500 Internal Server Error'); exit; } else { header('HTTP/1.1 200 OK'); foreach ($lines as $line) { echo $line; } exit; } ?>