43 Merge workbooks

12:58:16 Load MergeBook1 from Excel2007 file
12:58:16 Read Excel2007 format from /home/factovizjh/legitrack/vendor/phpoffice/phpspreadsheet/samples/templates/43mergeBook1.xlsx in 0.0326 seconds
12:58:16 Load MergeBook2 from Excel2007 file
12:58:16 Read Excel2007 format from /home/factovizjh/legitrack/vendor/phpoffice/phpspreadsheet/samples/templates/43mergeBook2.xlsx in 0.0024 seconds
12:58:16 Write Excel2007 format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0035 seconds
12:58:16 Write Excel5 format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0068 seconds
12:58:16 Peak memory usage: 6.5MB