14:38:41 Load MergeBook1 from Excel2007 file
Call time to read Mergebook1 was 0.1828 seconds
14:38:41 Current memory usage: 4 MB
14:38:41 Load MergeBook2 from Excel2007 file
Call time to read Mergebook2 was 0.0107 seconds
14:38:41 Current memory usage: 4 MB
14:38:41 Write to Excel2007 format
14:38:41 File written to 43mergeWorkbooks.xlsx
Call time to write Workbook was 0.1473 seconds
14:38:41 Current memory usage: 4 MB
14:38:41 Peak memory usage: 4 MB
14:38:41 Done writing file
File has been created in /home/imevent/public_html/backup/vendor/phpoffice/phpexcel/Examples