20:40:34 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0066 seconds<br />20:40:34 Current memory usage: 2 MB<br />20:40:34 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0036 seconds<br />20:40:34 Current memory usage: 2 MB<br />20:40:34 Write to Excel2007 format<br />20:40:34 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0067 seconds<br />20:40:34 Current memory usage: 2 MB<br />20:40:34 Peak memory usage: 2 MB<br />20:40:34 Done writing file<br />File has been created in /var/www/html/petroerp3/vendor/phpoffice/phpexcel/Examples<br />