Yii v2 snippet guide II

Comparing #23 with #24

Revision #24 was created by rackycz rackycz on Sep 8, 2020, 8:00:56 PM.

Composer and PhpExcel

Content

[...]
header('Cache-Control: max-age=0');
$writer->save('php://output');
exit();
```

Thanks to [DbCreator](https://forum.yiiframework.com/t/yii2-phpoffice-phpspreadsheet-src-phpspreadsheet-shared-ole-pps-root-php-on-line-292-headers-already-sent/126617) for the latter approach. But exit() or die() should not be called. Read the link.

Following is my idea which originates from method renderPhpFile() from Yii2:
[...]
exit();
```

 
Note: But exit() or die() should not be called. Read the "DbCreator" link above.