14:43:32 Enable Cell Caching using MemoryGZip method<br />14:43:32 Create new PHPExcel object<br />14:43:32 Set properties<br />14:43:32 Add data<br />14:43:32 Hide 'Phone' and 'fax' columns<br />14:43:32 Set outline levels<br />14:43:32 Freeze panes<br />14:43:32 Rows to repeat at top<br />14:43:33 Write to Excel2007 format<br />14:43:34 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.4346 seconds<br />14:43:34 Current memory usage: 15.25 MB<br />14:43:34 Peak memory usage: 18 MB<br />14:43:34 Done writing file<br />File has been created in /home/bjgrgao/www/cuaderno/PHPExcel_1/Examples<br />