21:36:20 Enable Cell Caching using MemoryGZip method<br />21:36:20 Create new PHPExcel object<br />21:36:20 Set properties<br />21:36:20 Add data<br />21:36:20 Hide 'Phone' and 'fax' columns<br />21:36:20 Set outline levels<br />21:36:20 Freeze panes<br />21:36:20 Rows to repeat at top<br />21:36:22 Write to Excel2007 format<br />21:36:26 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 3.9633 seconds<br />21:36:26 Current memory usage: 28.5 MB<br />21:36:26 Peak memory usage: 31.5 MB<br />21:36:26 Done writing file<br />File has been created in /home/imfmm/public_html/application/formation-professionnelle/vendor/phpoffice/phpexcel/Examples<br />