43 Merge workbooks

11:14:37 Load MergeBook1 from Excel2007 file
11:14:37 Read Excel2007 format from /home/factovizjh/legitrack/vendor/phpoffice/phpspreadsheet/samples/templates/43mergeBook1.xlsx in 0.0305 seconds
11:14:37 Load MergeBook2 from Excel2007 file
11:14:37 Read Excel2007 format from /home/factovizjh/legitrack/vendor/phpoffice/phpspreadsheet/samples/templates/43mergeBook2.xlsx in 0.0027 seconds
11:14:37 Write Excel2007 format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0034 seconds
11:14:37 Write Excel5 format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0076 seconds
11:14:37 Peak memory usage: 6.75MB