05:07:46 Enable Cell Caching using MemoryGZip method<br />05:07:46 Create new PHPExcel object<br />05:07:46 Set properties<br />05:07:46 Add data<br />05:07:46 Hide 'Phone' and 'fax' columns<br />05:07:46 Set outline levels<br />05:07:46 Freeze panes<br />05:07:46 Rows to repeat at top<br />05:07:48 Write to Excel2007 format<br />05:07:51 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.8913 seconds<br />05:07:51 Current memory usage: 24 MB<br />05:07:51 Peak memory usage: 26.75 MB<br />05:07:51 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />