43 Merge workbooks

05:16:57 Load MergeBook1 from Excel2007 file
05:16:57 Read Excel2007 format from /home/factovizjh/legitrack/vendor/phpoffice/phpspreadsheet/samples/templates/43mergeBook1.xlsx in 0.1839 seconds
05:16:57 Load MergeBook2 from Excel2007 file
05:16:57 Read Excel2007 format from /home/factovizjh/legitrack/vendor/phpoffice/phpspreadsheet/samples/templates/43mergeBook2.xlsx in 0.0134 seconds
05:16:57 Write Excel2007 format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0042 seconds
05:16:57 Write Excel5 format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.3477 seconds
05:16:57 Peak memory usage: 6.75MB