11:01:30 Enable Cell Caching using MemoryGZip method<br />11:01:30 Create new PHPExcel object<br />11:01:30 Set properties<br />11:01:30 Add data<br />11:01:30 Hide 'Phone' and 'fax' columns<br />11:01:30 Set outline levels<br />11:01:30 Freeze panes<br />11:01:30 Rows to repeat at top<br />11:01:31 Write to Excel2007 format<br />11:01:32 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.0907 seconds<br />11:01:32 Current memory usage: 20 MB<br />11:01:32 Peak memory usage: 24 MB<br />11:01:32 Done writing file<br />File has been created in /home/icitaqp/public_html/vendor/phpoffice/phpexcel/Examples<br />