20:41:24 Enable Cell Caching using MemoryGZip method<br />20:41:24 Create new PHPExcel object<br />20:41:24 Set properties<br />20:41:24 Add data<br />20:41:24 Hide 'Phone' and 'fax' columns<br />20:41:24 Set outline levels<br />20:41:24 Freeze panes<br />20:41:24 Rows to repeat at top<br />20:41:25 Write to Excel2007 format<br /><br />
<b>Fatal error</b>:  Uncaught Error: Class 'ZipArchive' not found in /var/www/html/planc/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:220
Stack trace:
#0 /var/www/html/planc/vendor/phpoffice/phpexcel/Examples/06largescale-with-cellcaching.php(113): PHPExcel_Writer_Excel2007-&gt;save('/var/www/html/p...')
#1 {main}
  thrown in <b>/var/www/html/planc/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>220</b><br />