07:39:58 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0165 seconds<br />07:39:58 Current memory usage: 2 MB<br />07:39:58 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0047 seconds<br />07:39:58 Current memory usage: 2 MB<br />07:39:58 Write to Excel2007 format<br />07:39:58 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0087 seconds<br />07:39:58 Current memory usage: 2 MB<br />07:39:58 Peak memory usage: 2 MB<br />07:39:58 Done writing file<br />File has been created in /var/www/html/test/public/vendor/phpoffice/phpexcel/Examples<br />