43 Merge workbooks

21:32:49 Load MergeBook1 from Xlsx file
21:32:49 Read Xlsx format from /var/www/x-libs/spreadsheet/samples/templates/43mergeBook1.xlsx in 0.0136 seconds
21:32:49 Load MergeBook2 from Xlsx file
21:32:49 Read Xlsx format from /var/www/x-libs/spreadsheet/samples/templates/43mergeBook2.xlsx in 0.0008 seconds
21:32:49 Write Xlsx format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0013 seconds
21:32:49 Write Xls format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0036 seconds
21:32:49 Peak memory usage: 8MB