43 Merge workbooks

01:18:12 Load MergeBook1 from Xlsx file
01:18:12 Read Xlsx format from /var/www/erp/spreadsheet/samples/templates/43mergeBook1.xlsx in 0.0061 seconds
01:18:12 Load MergeBook2 from Xlsx file
01:18:12 Read Xlsx format from /var/www/erp/spreadsheet/samples/templates/43mergeBook2.xlsx in 0.0036 seconds
01:18:12 Write Xlsx format to /tmp/phpspreadsheet/43_Merge_workbooks.xlsx in 0.0057 seconds
01:18:12 Write Xls format to /tmp/phpspreadsheet/43_Merge_workbooks.xls in 0.0213 seconds
01:18:12 Peak memory usage: 2MB