00:58:39 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0103 seconds<br />00:58:39 Current memory usage: 2 MB<br />00:58:39 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0026 seconds<br />00:58:39 Current memory usage: 2 MB<br />00:58:39 Write to Excel2007 format<br />00:58:39 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0110 seconds<br />00:58:39 Current memory usage: 2 MB<br />00:58:39 Peak memory usage: 2 MB<br />00:58:39 Done writing file<br />File has been created in /var/www/html/preuc/vendor/phpoffice/phpexcel/Examples<br />