18:16:25 Enable Cell Caching using MemoryGZip method<br />18:16:25 Create new PHPExcel object<br />18:16:25 Set properties<br />18:16:25 Add data<br />18:16:25 Hide 'Phone' and 'fax' columns<br />18:16:25 Set outline levels<br />18:16:25 Freeze panes<br />18:16:25 Rows to repeat at top<br />18:16:26 Write to Excel2007 format<br />18:16:28 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.5159 seconds<br />18:16:28 Current memory usage: 27.5 MB<br />18:16:28 Peak memory usage: 31 MB<br />18:16:28 Done writing file<br />File has been created in /data/www/terceros/vendor/phpoffice/phpexcel/Examples<br />