18:11:35 Enable Cell Caching using MemoryGZip method<br />18:11:35 Create new PHPExcel object<br />18:11:35 Set properties<br />18:11:35 Add data<br />18:11:35 Hide 'Phone' and 'fax' columns<br />18:11:35 Set outline levels<br />18:11:35 Freeze panes<br />18:11:35 Rows to repeat at top<br />18:11:36 Write to Excel2007 format<br /><br />
<b>Fatal error</b>:  Uncaught Error: Class 'ZipArchive' not found in /var/www/php7.0/vendor_bts/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:227
Stack trace:
#0 /var/www/php7.0/vendor_bts/phpoffice/phpexcel/Examples/06largescale-with-cellcaching.php(113): PHPExcel_Writer_Excel2007-&gt;save('/var/www/php7.0...')
#1 {main}
  thrown in <b>/var/www/php7.0/vendor_bts/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>227</b><br />