01:02:08 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0057 seconds<br />01:02:08 Current memory usage: 2 MB<br />01:02:08 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0031 seconds<br />01:02:08 Current memory usage: 2 MB<br />01:02:08 Write to Excel2007 format<br />01:02:08 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0046 seconds<br />01:02:08 Current memory usage: 2 MB<br />01:02:08 Peak memory usage: 2 MB<br />01:02:08 Done writing file<br />File has been created in /var/www/billing.andrewpeng.net/vendor/turbo124/phpexcel/Examples<br />