20:14:20 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0388 seconds<br />20:14:20 Current memory usage: 4 MB<br />20:14:20 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0031 seconds<br />20:14:20 Current memory usage: 4 MB<br />20:14:20 Write to Excel2007 format<br />20:14:20 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0161 seconds<br />20:14:20 Current memory usage: 6 MB<br />20:14:20 Peak memory usage: 6 MB<br />20:14:20 Done writing file<br />File has been created in /var/www/html/Spa/vendor/phpoffice/phpexcel/Examples<br />