05:27:29 Enable Cell Caching using MemoryGZip method<br />05:27:29 Create new PHPExcel object<br />05:27:29 Set properties<br />05:27:29 Add data<br />05:27:29 Hide 'Phone' and 'fax' columns<br />05:27:29 Set outline levels<br />05:27:29 Freeze panes<br />05:27:29 Rows to repeat at top<br />05:27:31 Write to Excel2007 format<br />05:27:34 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 3.5448 seconds<br />05:27:34 Current memory usage: 23.75 MB<br />05:27:34 Peak memory usage: 26.75 MB<br />05:27:34 Done writing file<br />File has been created in /var/www/html/onswitch.neon/vendor/phpoffice/phpexcel/Examples<br />