43 Merge workbooks

10:03:28 Load MergeBook1 from Xlsx file
10:03:28 Read Xlsx format from /home/bitrix/ext_www/retender.ru/export/samples/Basic/../templates/43mergeBook1.xlsx in 0.0320 seconds
10:03:28 Load MergeBook2 from Xlsx file
10:03:28 Read Xlsx format from /home/bitrix/ext_www/retender.ru/export/samples/Basic/../templates/43mergeBook2.xlsx in 0.0037 seconds
10:03:28 Write Xlsx format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0042 seconds
10:03:28 Write Xls format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0027 seconds
10:03:28 Peak memory usage: 2MB