16:43:37 Enable Cell Caching using MemoryGZip method<br />16:43:37 Create new PHPExcel object<br />16:43:37 Set properties<br />16:43:37 Add data<br />16:43:37 Hide 'Phone' and 'fax' columns<br />16:43:37 Set outline levels<br />16:43:37 Freeze panes<br />16:43:37 Rows to repeat at top<br />16:43:38 Write to Excel2007 format<br />16:43:39 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.4290 seconds<br />16:43:39 Current memory usage: 17.75 MB<br />16:43:39 Peak memory usage: 20.5 MB<br />16:43:39 Done writing file<br />File has been created in /home/factovizjh/dataviz/vendor/phpoffice/phpexcel/Examples<br />