15:31:31 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0939 seconds<br />15:31:31 Current memory usage: 4 MB<br />15:31:31 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0017 seconds<br />15:31:31 Current memory usage: 4 MB<br />15:31:31 Write to Excel2007 format<br />15:31:31 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0332 seconds<br />15:31:31 Current memory usage: 4 MB<br />15:31:31 Peak memory usage: 4 MB<br />15:31:31 Done writing file<br />File has been created in /var/www/html/petroerp3/vendor/phpoffice/phpexcel/Examples<br />