09:18:54 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0303 seconds<br />09:18:54 Current memory usage: 4 MB<br />09:18:54 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0029 seconds<br />09:18:54 Current memory usage: 4 MB<br />09:18:54 Write to Excel2007 format<br />09:18:54 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0155 seconds<br />09:18:54 Current memory usage: 6 MB<br />09:18:54 Peak memory usage: 6 MB<br />09:18:54 Done writing file<br />File has been created in /var/www/html/elite-mapalacsiao/vendor/phpoffice/phpexcel/Examples<br />