43 Merge workbooks

21:40:14 Load MergeBook1 from Excel2007 file
21:40:14 Read Excel2007 format from /home/factovizjh/legitrack/vendor/phpoffice/phpspreadsheet/samples/templates/43mergeBook1.xlsx in 0.0256 seconds
21:40:14 Load MergeBook2 from Excel2007 file
21:40:14 Read Excel2007 format from /home/factovizjh/legitrack/vendor/phpoffice/phpspreadsheet/samples/templates/43mergeBook2.xlsx in 0.0020 seconds
21:40:14 Write Excel2007 format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0033 seconds
21:40:15 Write Excel5 format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0086 seconds
21:40:15 Peak memory usage: 6.75MB