16:57:22 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0207 seconds<br />16:57:22 Current memory usage: 4 MB<br />16:57:22 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0024 seconds<br />16:57:22 Current memory usage: 4 MB<br />16:57:22 Write to Excel2007 format<br />16:57:22 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0127 seconds<br />16:57:22 Current memory usage: 6 MB<br />16:57:22 Peak memory usage: 6 MB<br />16:57:22 Done writing file<br />File has been created in /var/www/html/bestwork/vendor/phpoffice/phpexcel/Examples<br />