05:50:16 Enable Cell Caching using MemoryGZip method<br />05:50:16 Create new PHPExcel object<br />05:50:16 Set properties<br />05:50:16 Add data<br />05:50:16 Hide 'Phone' and 'fax' columns<br />05:50:16 Set outline levels<br />05:50:16 Freeze panes<br />05:50:16 Rows to repeat at top<br />05:50:16 Write to Excel2007 format<br />05:50:18 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.4103 seconds<br />05:50:18 Current memory usage: 23 MB<br />05:50:18 Peak memory usage: 26.5 MB<br />05:50:18 Done writing file<br />File has been created in /var/www/dolphin/vendor/phpoffice/phpexcel/Examples<br />