15:50:42 Create new PHPExcel object<br />15:50:42 Set document properties<br />15:50:42 Add some data<br />15:50:42 Sum of Range #1 is 23<br />15:50:42 Sum of Range #2 is 33<br />15:50:42 Sum of both Ranges is 56<br />15:50:42 Minimum value in either Range is 3<br />15:50:42 Maximum value in either Range is 17<br />15:50:42 Average value of both Ranges is 9.333333333333334<br />15:50:42 Rename worksheet<br />15:50:42 Write to Excel2007 format<br />15:50:42 File written to 03formulas.xlsx<br />Call time to write Workbook was 0.0032 seconds<br />15:50:42 Current memory usage: 2 MB<br />15:50:42 Write to Excel5 format<br /><br />
<b>Warning</b>:  fopen(/var/www/html/var/www/html/vendor/phpoffice/phpexcel/Examples/03formulas.xls): failed to open stream: Permission denied in <b>/var/www/html/var/www/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/OLE/PPS/Root.php</b> on line <b>90</b><br />
<br />
<b>Fatal error</b>:  Uncaught PHPExcel_Writer_Exception: Can't open /var/www/html/var/www/html/vendor/phpoffice/phpexcel/Examples/03formulas.xls. It may be in use or protected. in /var/www/html/var/www/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/OLE/PPS/Root.php:93
Stack trace:
#0 /var/www/html/var/www/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel5.php(226): PHPExcel_Shared_OLE_PPS_Root-&gt;save('/var/www/html/v...')
#1 /var/www/html/var/www/html/vendor/phpoffice/phpexcel/Examples/03formulas.php(134): PHPExcel_Writer_Excel5-&gt;save('/var/www/html/v...')
#2 {main}
  thrown in <b>/var/www/html/var/www/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/OLE/PPS/Root.php</b> on line <b>93</b><br />