43 Merge workbooks

11:58:29 Load MergeBook1 from Xlsx file
11:58:29 Read Xlsx format from /var/www/u0381365/data/www/kgnic.ru/vendor/phpoffice/phpspreadsheet/samples/Basic/../templates/43mergeBook1.xlsx in 0.0057 seconds
11:58:29 Load MergeBook2 from Xlsx file
11:58:29 Read Xlsx format from /var/www/u0381365/data/www/kgnic.ru/vendor/phpoffice/phpspreadsheet/samples/Basic/../templates/43mergeBook2.xlsx in 0.0024 seconds
11:58:29 Write Xlsx format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0035 seconds
11:58:29 Write Xls format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0022 seconds
11:58:29 Peak memory usage: 2MB