12:06:27 Enable Cell Caching using MemoryGZip method<br />12:06:27 Create new PHPExcel object<br />12:06:27 Set properties<br />12:06:27 Add data<br />12:06:27 Hide 'Phone' and 'fax' columns<br />12:06:27 Set outline levels<br />12:06:27 Freeze panes<br />12:06:27 Rows to repeat at top<br />12:06:28 Write to Excel2007 format<br />12:06:29 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.5197 seconds<br />12:06:29 Current memory usage: 4 MB<br />12:06:29 Peak memory usage: 10 MB<br />12:06:29 Done writing file<br />File has been created in /home/webdemoo/se.webdemo258.io.vn/cms-demo/vendor/phpoffice/phpexcel/Examples<br />