12:10:36 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0231 seconds<br />12:10:37 Current memory usage: 4.75 MB<br />12:10:37 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0038 seconds<br />12:10:37 Current memory usage: 4.75 MB<br />12:10:37 Write to Excel2007 format<br />12:10:37 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0126 seconds<br />12:10:37 Current memory usage: 7 MB<br />12:10:37 Peak memory usage: 7 MB<br />12:10:37 Done writing file<br />File has been created in /var/www/dolphin/vendor/phpoffice/phpexcel/Examples<br />