43 Merge workbooks

08:29:26 Load MergeBook1 from Excel2007 file
08:29:26 Read Excel2007 format from /home/factovizjh/legitrack/vendor/phpoffice/phpspreadsheet/samples/templates/43mergeBook1.xlsx in 0.0543 seconds
08:29:26 Load MergeBook2 from Excel2007 file
08:29:26 Read Excel2007 format from /home/factovizjh/legitrack/vendor/phpoffice/phpspreadsheet/samples/templates/43mergeBook2.xlsx in 0.0026 seconds
08:29:26 Write Excel2007 format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0036 seconds
08:29:26 Write Excel5 format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0185 seconds
08:29:26 Peak memory usage: 6.75MB