21:22:22 Create new PHPExcel object<br />21:22:22 Create styles array<br />21:22:22 Add data (begin)<br />21:22:22 Add data (end), time: 0.56 s<br />21:22:22 Write to Excel2007 format<br />21:22:22 File written to 40duplicateStyle.xlsx<br />21:22:22 Peak memory usage: 5.75 MB<br />21:22:22 Done writing file<br />File has been created in /var/www/igeotrack/vendor/phpoffice/phpexcel/Examples<br />