43 Merge workbooks

20:30:39 Load MergeBook1 from Excel2007 file
20:30:39 Read Excel2007 format from /home/factovizjh/legitrack/vendor/phpoffice/phpspreadsheet/samples/templates/43mergeBook1.xlsx in 0.0328 seconds
20:30:39 Load MergeBook2 from Excel2007 file
20:30:39 Read Excel2007 format from /home/factovizjh/legitrack/vendor/phpoffice/phpspreadsheet/samples/templates/43mergeBook2.xlsx in 0.0025 seconds
20:30:39 Write Excel2007 format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0028 seconds
20:30:39 Write Excel5 format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0090 seconds
20:30:39 Peak memory usage: 6.75MB