43 Merge workbooks

08:09:32 Load MergeBook1 from Xlsx file
08:09:32 Read Xlsx format from /home/roanneba/www/spreadsheet/samples/templates/43mergeBook1.xlsx in 0.0154 seconds
08:09:32 Load MergeBook2 from Xlsx file
08:09:32 Read Xlsx format from /home/roanneba/www/spreadsheet/samples/templates/43mergeBook2.xlsx in 0.0018 seconds
08:09:32 Write Xlsx format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0025 seconds
08:09:32 Write Xls format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0079 seconds
08:09:32 Peak memory usage: 8MB