43 Merge workbooks

10:25:59 Load MergeBook1 from Excel2007 file
10:25:59 Read Excel2007 format from /home/factovizjh/legitrack/vendor/phpoffice/phpspreadsheet/samples/templates/43mergeBook1.xlsx in 0.0362 seconds
10:25:59 Load MergeBook2 from Excel2007 file
10:25:59 Read Excel2007 format from /home/factovizjh/legitrack/vendor/phpoffice/phpspreadsheet/samples/templates/43mergeBook2.xlsx in 0.0042 seconds
10:25:59 Write Excel2007 format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0031 seconds
10:25:59 Write Excel5 format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0046 seconds
10:25:59 Peak memory usage: 1.5MB