43 Merge workbooks

15:59:18 Load MergeBook1 from Excel2007 file
15:59:18 Read Excel2007 format from /home/factovizjh/legitrack/vendor/phpoffice/phpspreadsheet/samples/templates/43mergeBook1.xlsx in 0.0177 seconds
15:59:18 Load MergeBook2 from Excel2007 file
15:59:18 Read Excel2007 format from /home/factovizjh/legitrack/vendor/phpoffice/phpspreadsheet/samples/templates/43mergeBook2.xlsx in 0.0022 seconds
15:59:18 Write Excel2007 format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0037 seconds
15:59:18 Write Excel5 format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0086 seconds
15:59:18 Peak memory usage: 6.5MB