17:32:09 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0031 seconds<br />17:32:09 Current memory usage: 2 MB<br />17:32:09 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0017 seconds<br />17:32:09 Current memory usage: 2 MB<br />17:32:09 Write to Excel2007 format<br />17:32:09 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0053 seconds<br />17:32:09 Current memory usage: 2 MB<br />17:32:09 Peak memory usage: 2 MB<br />17:32:09 Done writing file<br />File has been created in /var/www/html/petroerp3/vendor/phpoffice/phpexcel/Examples<br />