43 Merge workbooks

13:01:31 Load MergeBook1 from Xlsx file
13:01:31 Read Xlsx format from /home/http-content/www.auvix.ru/www/vendor/phpoffice/phpspreadsheet/samples/Basic/../templates/43mergeBook1.xlsx in 0.0162 seconds
13:01:31 Load MergeBook2 from Xlsx file
13:01:31 Read Xlsx format from /home/http-content/www.auvix.ru/www/vendor/phpoffice/phpspreadsheet/samples/Basic/../templates/43mergeBook2.xlsx in 0.0055 seconds
13:01:31 Write Xlsx format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0079 seconds
13:01:31 Write Xls format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0053 seconds
13:01:31 Peak memory usage: 2.75MB