Closed goffyara closed 7 years ago
https://github.com/PHPOffice/PHPExcel/blob/1.8/Classes/PHPExcel/Cell.php#L843
http://php.net/manual/en/migration71.other-changes.php#migration71.other-changes.apprise-on-arithmetic-with-invalid-strings
PHPExcel is not compatible with PHP 7.1. Consider migrating to PhpSpreadsheet instead.
https://github.com/PHPOffice/PHPExcel/blob/1.8/Classes/PHPExcel/Cell.php#L843
http://php.net/manual/en/migration71.other-changes.php#migration71.other-changes.apprise-on-arithmetic-with-invalid-strings