43 Merge workbooks

09:44:45 Load MergeBook1 from Excel2007 file
09:44:45 Read Excel2007 format from /home/factovizjh/legitrack/vendor/phpoffice/phpspreadsheet/samples/templates/43mergeBook1.xlsx in 0.0257 seconds
09:44:45 Load MergeBook2 from Excel2007 file
09:44:45 Read Excel2007 format from /home/factovizjh/legitrack/vendor/phpoffice/phpspreadsheet/samples/templates/43mergeBook2.xlsx in 0.0024 seconds
09:44:45 Write Excel2007 format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0029 seconds
09:44:45 Write Excel5 format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0093 seconds
09:44:45 Peak memory usage: 6.75MB