43 Merge workbooks

07:35:18 Load MergeBook1 from Xlsx file
07:35:18 Read Xlsx format from /home/bitrix/ext_www/retender.ru/export/samples/Basic/../templates/43mergeBook1.xlsx in 0.0172 seconds
07:35:18 Load MergeBook2 from Xlsx file
07:35:18 Read Xlsx format from /home/bitrix/ext_www/retender.ru/export/samples/Basic/../templates/43mergeBook2.xlsx in 0.0038 seconds
07:35:18 Write Xlsx format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0044 seconds
07:35:18 Write Xls format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0025 seconds
07:35:18 Peak memory usage: 2MB