43 Merge workbooks

09:25:57 Load MergeBook1 from Excel2007 file
09:25:58 Read Excel2007 format from /home/factovizjh/legitrack/vendor/phpoffice/phpspreadsheet/samples/templates/43mergeBook1.xlsx in 0.1318 seconds
09:25:58 Load MergeBook2 from Excel2007 file
09:25:58 Read Excel2007 format from /home/factovizjh/legitrack/vendor/phpoffice/phpspreadsheet/samples/templates/43mergeBook2.xlsx in 0.0030 seconds
09:25:58 Write Excel2007 format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0055 seconds
09:25:58 Write Excel5 format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0206 seconds
09:25:58 Peak memory usage: 6.75MB