05:57:20 Enable Cell Caching using MemoryGZip method<br />05:57:20 Create new PHPExcel object<br />05:57:20 Set properties<br />05:57:20 Add data<br />05:57:20 Hide 'Phone' and 'fax' columns<br />05:57:20 Set outline levels<br />05:57:20 Freeze panes<br />05:57:20 Rows to repeat at top<br />05:57:20 Write to Excel2007 format<br />05:57:22 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.7198 seconds<br />05:57:22 Current memory usage: 20 MB<br />05:57:22 Peak memory usage: 26 MB<br />05:57:22 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />