07:56:06 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0156 seconds<br />07:56:06 Current memory usage: 2 MB<br />07:56:06 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0022 seconds<br />07:56:06 Current memory usage: 2 MB<br />07:56:06 Write to Excel2007 format<br />07:56:06 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0161 seconds<br />07:56:06 Current memory usage: 4 MB<br />07:56:06 Peak memory usage: 4 MB<br />07:56:06 Done writing file<br />File has been created in /var/www/html/laravel_test/vendor/phpoffice/phpexcel/Examples<br />