Warning: PHPExcel_Autoloader::load() [phpexcel-autoloader.load]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'UTC' for '8.0/no DST' instead in C:\wamp\www\fx\addons\yun_shop\vendor\phpoffice\phpexcel\Classes\PHPExcel\Autoloader.php on line 70

Notice: Use of undefined constant PHPEXCEL_ROOT - assumed 'PHPEXCEL_ROOT' in C:\wamp\www\fx\addons\yun_shop\vendor\phpoffice\phpexcel\Classes\PHPExcel\Autoloader.php on line 70

Warning: main() [function.main]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'UTC' for '8.0/no DST' instead in C:\wamp\www\fx\addons\yun_shop\vendor\phpoffice\phpexcel\Classes\PHPExcel\Autoloader.php on line 11

Fatal error: Class 'PHPExcel_Shared_String' not found in C:\wamp\www\fx\addons\yun_shop\vendor\phpoffice\phpexcel\Classes\PHPExcel\Autoloader.php on line 11