43 Merge workbooks

20:06:04 Load MergeBook1 from Excel2007 file
20:06:04 Read Excel2007 format from /home/factovizjh/legitrack/vendor/phpoffice/phpspreadsheet/samples/templates/43mergeBook1.xlsx in 0.0373 seconds
20:06:04 Load MergeBook2 from Excel2007 file
20:06:04 Read Excel2007 format from /home/factovizjh/legitrack/vendor/phpoffice/phpspreadsheet/samples/templates/43mergeBook2.xlsx in 0.0020 seconds
20:06:04 Write Excel2007 format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0036 seconds
20:06:04 Write Excel5 format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0090 seconds
20:06:04 Peak memory usage: 6.75MB