12:27:13 Enable Cell Caching using MemoryGZip method<br />12:27:13 Create new PHPExcel object<br />12:27:13 Set properties<br />12:27:13 Add data<br />12:27:13 Hide 'Phone' and 'fax' columns<br />12:27:13 Set outline levels<br />12:27:13 Freeze panes<br />12:27:13 Rows to repeat at top<br />12:27:15 Write to Excel2007 format<br />12:27:16 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.7932 seconds<br />12:27:16 Current memory usage: 27.75 MB<br />12:27:16 Peak memory usage: 30.5 MB<br />12:27:16 Done writing file<br />File has been created in /home/sgpsenviroil/public_html/vendor/phpoffice/phpexcel/Examples<br />