43 Merge workbooks

15:08:52 Load MergeBook1 from Xlsx file
15:08:52 Read Xlsx format from /home/bitrix/ext_www/retender.ru/export/samples/Basic/../templates/43mergeBook1.xlsx in 0.0193 seconds
15:08:52 Load MergeBook2 from Xlsx file
15:08:52 Read Xlsx format from /home/bitrix/ext_www/retender.ru/export/samples/Basic/../templates/43mergeBook2.xlsx in 0.0039 seconds
15:08:52 Write Xlsx format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0044 seconds
15:08:52 Write Xls format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0027 seconds
15:08:52 Peak memory usage: 2MB