15:58:06 Load from Excel2007 file<br />Call time to read Workbook was 0.0240 seconds<br />15:58:06 Current memory usage: 2 MB<br />15:58:06 Write to Excel2007 format<br />15:58:06 File written to 07reader.xlsx<br />Call time to write Workbook was 0.0165 seconds<br />15:58:06 Current memory usage: 4 MB<br />15:58:06 Peak memory usage: 4 MB<br />15:58:06 Done writing file<br />File has been created in /var/www/chart_maker/vendor/phpoffice/phpexcel/Examples<br />