04:36:06 Unable to set Cell Caching using SQLite method, reverting to memory<br />04:36:06 Create new PHPExcel object<br />04:36:06 Set properties<br />04:36:06 Add data<br />04:36:06 Hide 'Phone' and 'fax' columns<br />04:36:06 Set outline levels<br />04:36:06 Freeze panes<br />04:36:06 Rows to repeat at top<br />04:36:06 Write to Excel2007 format<br />04:36:07 File written to 06largescale-with-cellcaching-sqlite.xlsx<br />Call time to write Workbook was 0.4273 seconds<br />04:36:07 Current memory usage: 20 MB<br />04:36:07 Peak memory usage: 24 MB<br />04:36:07 Done writing file<br />File has been created in /var/www/customs_yiao/vendor/phpoffice/phpexcel/Examples<br />