15:59:15 Create new PHPExcel object
15:59:15 Set document properties
15:59:15 Add some data
15:59:15 Define named ranges
15:59:15 Rename named ranges
15:59:15 Rename worksheet
15:59:15 Create new Worksheet object
15:59:15 Add some data
15:59:15 Resolve range
Cell B1 {=PersonFN}: Maarten
Cell B3 {=PersonFN & " " & PersonLN}: Maarten Balliauw
Cell Person!B1:
Fatal error: Uncaught Error: Call to a member function getCell() on null in /var/www/chart_maker/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet.php:1164 Stack trace: #0 /var/www/chart_maker/vendor/phpoffice/phpexcel/Examples/19namedrange.php(99): PHPExcel_Worksheet->getCell('PERSON!B1') #1 {main} thrown in /var/www/chart_maker/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet.php on line 1164