18:29:18 Enable Cell Caching using MemoryGZip method<br />18:29:18 Create new PHPExcel object<br />18:29:18 Set properties<br />18:29:18 Add data<br />18:29:18 Hide 'Phone' and 'fax' columns<br />18:29:18 Set outline levels<br />18:29:18 Freeze panes<br />18:29:18 Rows to repeat at top<br />18:29:20 Write to Excel2007 format<br />18:29:24 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 3.8717 seconds<br />18:29:24 Current memory usage: 14 MB<br />18:29:24 Peak memory usage: 20 MB<br />18:29:24 Done writing file<br />File has been created in /home/acadexam/edu.acadexam.ru/vendor/phpoffice/phpexcel/Examples<br />