13:35:53 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0062 seconds<br />13:35:53 Current memory usage: 2 MB<br />13:35:53 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0031 seconds<br />13:35:53 Current memory usage: 2 MB<br />13:35:53 Write to Excel2007 format<br />13:35:53 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0047 seconds<br />13:35:53 Current memory usage: 2 MB<br />13:35:53 Peak memory usage: 2 MB<br />13:35:53 Done writing file<br />File has been created in /var/www/billing.andrewpeng.net/vendor/turbo124/phpexcel/Examples<br />