07:30:53 Enable Cell Caching using MemoryGZip method<br />07:30:53 Create new PHPExcel object<br />07:30:53 Set properties<br />07:30:53 Add data<br />07:30:53 Hide 'Phone' and 'fax' columns<br />07:30:53 Set outline levels<br />07:30:53 Freeze panes<br />07:30:53 Rows to repeat at top<br />07:30:54 Write to Excel2007 format<br />07:30:56 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.8681 seconds<br />07:30:56 Current memory usage: 27.25 MB<br />07:30:56 Peak memory usage: 30.75 MB<br />07:30:56 Done writing file<br />File has been created in /var/www/igeotrack/vendor/phpoffice/phpexcel/Examples<br />