12:21:16 Enable Cell Caching using MemoryGZip method<br />12:21:16 Create new PHPExcel object<br />12:21:16 Set properties<br />12:21:16 Add data<br />12:21:16 Hide 'Phone' and 'fax' columns<br />12:21:16 Set outline levels<br />12:21:16 Freeze panes<br />12:21:16 Rows to repeat at top<br />12:21:17 Write to Excel2007 format<br />12:21:18 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.3267 seconds<br />12:21:18 Current memory usage: 28.75 MB<br />12:21:18 Peak memory usage: 31.5 MB<br />12:21:18 Done writing file<br />File has been created in /mnt/external-drives/mb-oracle-bv3/html-produccion/demo/mbinv/vendor/phpoffice/phpexcel/Examples<br />