43 Merge workbooks

16:11:33 Load MergeBook1 from Excel2007 file
16:11:33 Read Excel2007 format from /home/factovizjh/legitrack/vendor/phpoffice/phpspreadsheet/samples/templates/43mergeBook1.xlsx in 0.0438 seconds
16:11:33 Load MergeBook2 from Excel2007 file
16:11:33 Read Excel2007 format from /home/factovizjh/legitrack/vendor/phpoffice/phpspreadsheet/samples/templates/43mergeBook2.xlsx in 0.0019 seconds
16:11:34 Write Excel2007 format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0039 seconds
16:11:34 Write Excel5 format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0200 seconds
16:11:34 Peak memory usage: 6.5MB