17 May
2022
17 May
'22
2:28 p.m.
Consider this scenario:
1'st part:
```
if (is_present_hf("SOME_HEADER")) {
$var(data) = _get_data_from_some_header_;
}
```
2'nd part, later:
```
if ($var(data) != "") {
_do_something_with_data_
}
```
2'nd part gets called even for SIP that does not have SOME_HEADER header, with value
set in previous SIP that had SOME_HEADER.
I wanted to log a warning for this, so if SIP with no SOME_HEADER header comes in first,
in one routing process, I will see the warning log and know to set
```$var(data)="";``` before the 1'st part.
Thank you,
Stefan
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