12:52:06 Enable Cell Caching using MemoryGZip method<br />12:52:06 Create new PHPExcel object<br />12:52:06 Set properties<br />12:52:06 Add data<br />12:52:06 Hide 'Phone' and 'fax' columns<br />12:52:06 Set outline levels<br />12:52:06 Freeze panes<br />12:52:06 Rows to repeat at top<br />12:52:07 Write to Excel2007 format<br />12:52:08 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.4792 seconds<br />12:52:08 Current memory usage: 17.75 MB<br />12:52:08 Peak memory usage: 20.5 MB<br />12:52:08 Done writing file<br />File has been created in /home/factovizjh/dataviz/vendor/phpoffice/phpexcel/Examples<br />