43 Merge workbooks

06:32:00 Load MergeBook1 from Xlsx file
06:32:00 Read Xlsx format from /var/www/erp/spreadsheet/samples/templates/43mergeBook1.xlsx in 0.0060 seconds
06:32:00 Load MergeBook2 from Xlsx file
06:32:00 Read Xlsx format from /var/www/erp/spreadsheet/samples/templates/43mergeBook2.xlsx in 0.0036 seconds
06:32:00 Write Xlsx format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0056 seconds
06:32:00 Write Xls format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0044 seconds
06:32:00 Peak memory usage: 2MB