18:34:14 Enable Cell Caching using MemoryGZip method<br />18:34:14 Create new PHPExcel object<br />18:34:14 Set properties<br />18:34:14 Add data<br />18:34:15 Hide 'Phone' and 'fax' columns<br />18:34:15 Set outline levels<br />18:34:15 Freeze panes<br />18:34:15 Rows to repeat at top<br />18:34:15 Write to Excel2007 format<br />18:34:17 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.6709 seconds<br />18:34:17 Current memory usage: 22 MB<br />18:34:17 Peak memory usage: 26 MB<br />18:34:17 Done writing file<br />File has been created in /home/dtc/public_html/dms-staging/vendor/phpoffice/phpexcel/Examples<br />