11:32:08 Enable Cell Caching using MemoryGZip method<br />11:32:08 Create new PHPExcel object<br />11:32:08 Set properties<br />11:32:08 Add data<br />11:32:08 Hide 'Phone' and 'fax' columns<br />11:32:08 Set outline levels<br />11:32:08 Freeze panes<br />11:32:08 Rows to repeat at top<br />11:32:09 Write to Excel2007 format<br />11:32:10 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.3999 seconds<br />11:32:10 Current memory usage: 16 MB<br />11:32:10 Peak memory usage: 18.75 MB<br />11:32:10 Done writing file<br />File has been created in /home/factovizjh/legitrack_test/vendor/phpoffice/phpexcel/Examples<br />