43 Merge workbooks

10:48:46 Load MergeBook1 from Excel2007 file
10:48:47 Read Excel2007 format from /home/factovizjh/legitrack/vendor/phpoffice/phpspreadsheet/samples/templates/43mergeBook1.xlsx in 0.0363 seconds
10:48:47 Load MergeBook2 from Excel2007 file
10:48:47 Read Excel2007 format from /home/factovizjh/legitrack/vendor/phpoffice/phpspreadsheet/samples/templates/43mergeBook2.xlsx in 0.0026 seconds
10:48:47 Write Excel2007 format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0034 seconds
10:48:47 Write Excel5 format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0088 seconds
10:48:47 Peak memory usage: 6.75MB