12:22:43 Enable Cell Caching using MemoryGZip method<br />12:22:43 Create new PHPExcel object<br />12:22:43 Set properties<br />12:22:43 Add data<br />12:22:43 Hide 'Phone' and 'fax' columns<br />12:22:43 Set outline levels<br />12:22:43 Freeze panes<br />12:22:43 Rows to repeat at top<br />12:22:44 Write to Excel2007 format<br />12:22:44 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 0.6504 seconds<br />12:22:44 Current memory usage: 22 MB<br />12:22:44 Peak memory usage: 26 MB<br />12:22:44 Done writing file<br />File has been created in /home/invista/public_html/soporteti/vendor/phpoffice/phpexcel/Examples<br />