43 Merge workbooks

05:22:18 Load MergeBook1 from Xlsx file
05:22:18 Read Xlsx format from /home/bitrix/ext_www/retender.ru/export/samples/Basic/../templates/43mergeBook1.xlsx in 0.0163 seconds
05:22:18 Load MergeBook2 from Xlsx file
05:22:18 Read Xlsx format from /home/bitrix/ext_www/retender.ru/export/samples/Basic/../templates/43mergeBook2.xlsx in 0.0040 seconds
05:22:19 Write Xlsx format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0043 seconds
05:22:19 Write Xls format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0027 seconds
05:22:19 Peak memory usage: 2MB