20:27:35 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0040 seconds<br />20:27:35 Current memory usage: 2 MB<br />20:27:35 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0023 seconds<br />20:27:35 Current memory usage: 2 MB<br />20:27:35 Write to Excel2007 format<br /><br />
<b>Warning</b>:  ZipArchive::close(): Failure to create temporary file: Permission denied in <b>/var/www/html/michael/vendor/phpoffice/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/michael/vendor/phpoffice/phpexcel/Examples/43mergeWorkbooks.xlsx. in /var/www/html/michael/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:389
Stack trace:
#0 /var/www/html/michael/vendor/phpoffice/phpexcel/Examples/43mergeWorkbooks.php(75): PHPExcel_Writer_Excel2007-&gt;save('/var/www/html/m...')
#1 {main}
  thrown in <b>/var/www/html/michael/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>389</b><br />