17:17:23 Enable Cell Caching using MemoryGZip method<br />17:17:23 Create new PHPExcel object<br />17:17:23 Set properties<br />17:17:23 Add data<br />17:17:23 Hide 'Phone' and 'fax' columns<br />17:17:23 Set outline levels<br />17:17:23 Freeze panes<br />17:17:23 Rows to repeat at top<br />17:17:24 Write to Excel2007 format<br />17:17:25 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.0511 seconds<br />17:17:25 Current memory usage: 20 MB<br />17:17:25 Peak memory usage: 26 MB<br />17:17:25 Done writing file<br />File has been created in /var/www/html/PHPExcel/Examples<br />