19:17:25 Create new PHPExcel object
19:17:25 Set document properties
19:17:25 Add some data
19:17:25 Define named ranges
19:17:25 Rename named ranges
19:17:25 Rename worksheet
19:17:25 Create new Worksheet object
19:17:25 Add some data
19:17:25 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/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet.php:1164 Stack trace: #0 /var/www/html/vendor/phpoffice/phpexcel/Examples/19namedrange.php(99): PHPExcel_Worksheet->getCell('PERSON!B1') #1 {main} thrown in /var/www/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet.php on line 1164