11:10:12 Enable Cell Caching using MemoryGZip method<br />11:10:12 Create new PHPExcel object<br />11:10:13 Set properties<br />11:10:13 Add data<br />11:10:13 Hide 'Phone' and 'fax' columns<br />11:10:13 Set outline levels<br />11:10:13 Freeze panes<br />11:10:13 Rows to repeat at top<br />11:10:14 Write to Excel2007 format<br />11:10:16 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.8388 seconds<br />11:10:16 Current memory usage: 27 MB<br />11:10:16 Peak memory usage: 30 MB<br />11:10:16 Done writing file<br />File has been created in /home/www/mavensolutions.net/taxclinic/vendor/phpoffice/phpexcel/Examples<br />