23:05:18 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0234 seconds<br />23:05:18 Current memory usage: 3.5 MB<br />23:05:18 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0055 seconds<br />23:05:18 Current memory usage: 3.5 MB<br />23:05:18 Write to Excel2007 format<br />23:05:18 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0173 seconds<br />23:05:18 Current memory usage: 5 MB<br />23:05:18 Peak memory usage: 5 MB<br />23:05:18 Done writing file<br />File has been created in /var/www/html/onswitch.neon/vendor/phpoffice/phpexcel/Examples<br />