# in Admin Console
# perform logout if you're logged-in
# in IDE:
# open `/system/debug.php` file for editing
# comment-out `'DEBUG_MODE'` key in the `$dbg_options` array
# save changes
# open `/admin/index.php` file for editing
# replace `$application->Run();` line with this code:
```
lang=php
echo 'T1: [' . $application->GetDefaultThemeId() . ']<br/>';
echo 'T2: [' . $application->GetDefaultThemeId(true) . ']<br/>';
echo 'T3: [' . $application->GetDefaultThemeId() . ']<br/>';
echo 'T4: [' . $application->GetDefaultThemeId(true) . ']<br/>';
```
# save changes
# in Admin Console
# open login screen
# confirm, that out contains:
```
T1: [999]
T2: [1]
T3: [999]
T4: [1]
```