19:23:47 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0031 seconds<br />19:23:47 Current memory usage: 2 MB<br />19:23:47 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0038 seconds<br />19:23:47 Current memory usage: 2 MB<br />19:23:47 Write to Excel2007 format<br />19:23:47 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0101 seconds<br />19:23:47 Current memory usage: 2 MB<br />19:23:47 Peak memory usage: 2 MB<br />19:23:47 Done writing file<br />File has been created in /var/www/html/test/public/vendor/phpoffice/phpexcel/Examples<br />