43 Merge workbooks

18:42:05 Load MergeBook1 from Xlsx file
18:42:05 Read Xlsx format from /home/isoftco/public_html/hrm/vendor/phpoffice/phpspreadsheet/samples/Basic/../templates/43mergeBook1.xlsx in 0.0048 seconds
18:42:05 Load MergeBook2 from Xlsx file
18:42:05 Read Xlsx format from /home/isoftco/public_html/hrm/vendor/phpoffice/phpspreadsheet/samples/Basic/../templates/43mergeBook2.xlsx in 0.0018 seconds
18:42:05 Write Xlsx format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0032 seconds
18:42:05 Write Xls format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0026 seconds
18:42:05 Peak memory usage: 2MB