23:15:35 Create new PHPExcel object<br />23:15:35 Set document properties<br />23:15:35 Add some data<br />23:15:35 Sum of Range #1 is =SUM(B2:B4)<br />23:15:35 Sum of Range #2 is =SUM(C2:C4)<br />23:15:35 Sum of both Ranges is =SUM(B5:C5)<br />23:15:35 Minimum value in either Range is =MIN(B2:C4)<br />23:15:35 Maximum value in either Range is =MAX(B2:C4)<br />23:15:35 Average value of both Ranges is =AVERAGE(B2:C4)<br />23:15:35 Rename worksheet<br />23:15:35 Write to Excel2007 format<br /><br />
<b>Warning</b>:  ZipArchive::close(): Failure to create temporary file: Permission denied in <b>/var/www/html/coopac_bk_2025_08/public/PHPExcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>388</b><br />
<br />
<b>Fatal error</b>:  Uncaught PHPExcel_Writer_Exception: Could not close zip file /var/www/html/coopac_bk_2025_08/public/PHPExcel/Examples/03formulas.xlsx. in /var/www/html/coopac_bk_2025_08/public/PHPExcel/Classes/PHPExcel/Writer/Excel2007.php:389
Stack trace:
#0 /var/www/html/coopac_bk_2025_08/public/PHPExcel/Examples/03formulas.php(119): PHPExcel_Writer_Excel2007-&gt;save('/var/www/html/c...')
#1 {main}
  thrown in <b>/var/www/html/coopac_bk_2025_08/public/PHPExcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>389</b><br />