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install:upgrade:4.0.x-to-4.1.0 [2013/12/06 11:20] miconda [Core Parameters] |
install:upgrade:4.0.x-to-4.1.0 [2013/12/06 11:25] miconda [Behaviour] |
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However, some variables are defined always (eventually initialized to 0), such as $var(a) or $shv(b). | However, some variables are defined always (eventually initialized to 0), such as $var(a) or $shv(b). | ||
- | Starting with v3.0.0 when the core from Kamailio point of view was refactored, as part of integration with SER, the comparison with $null was considered | + | Starting with v3.0.0 when the core from Kamailio point of view was refactored, as part of integration with SER, the comparison with $null mistakenly became the same as comparison with integer 0 (zero). |
Some of the comparisons kept working, but some gave wrong result: | Some of the comparisons kept working, but some gave wrong result: | ||
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**// | **// | ||
- | Don't compare $var(...) and $shv(...) with $null, they are always defined and initialized to 0. | + | Don't compare $var(...) and $shv(...) with $null, they are always defined and initialized to 0. You can eventually compare them with 0 (instead of $null). |