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@@ -5278,8 +5278,6 @@ pseudo-variables can be used in left side of an assignment:
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- `$sf` - to set script flags value
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- `$bf` - to set branch flags value
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-<!-- -->
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-
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$var(a) = 123;
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For avp's there a way to remove all values and assign a single value in
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@@ -5318,7 +5316,7 @@ Example:
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$var(a) = 4 + ( 7 & ( ~2 ) );
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NOTE: to ensure the priority of operands in expression evaluations do
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-use <u>parenthesis</u>.
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+use **parenthesis**.
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Arithmetic expressions can be used in condition expressions.
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@@ -5354,7 +5352,6 @@ time and they are the same).
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and then perform the operation. Exception: the left operand is
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undef. This applies to the following operators: `+`, `==` and `!=`.
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-<!-- -->
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Special case: undef as left operand:
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For +: undef + expr -> undef is converted to string => "" + expr.
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@@ -5365,14 +5362,12 @@ time and they are the same).
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1. expression evaluation changes: Kamailio will auto-convert to integer
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or string in function of the operators:
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-<!-- -->
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int(undef)==0, int("")==0, int("123")==123, int("abc")==0
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str(undef)=="", str(123)=="123".
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1. script operators for dealing with empty/undefined variables
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-<!-- -->
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defined expr - returns true if expr is defined, and false if not.
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Note: only a standalone avp or pvar can be
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Daniel-Constantin Mierla