ParameterExists()
Determines if the parameter exists
ParameterExists( parameter=variableString );
Returns: Boolean
Argument | Description |
---|---|
parameter
variableString,
required
|
Name of the string variable to test for. Alias: param |
Examples
bool = true;
string = "I'm a string";
numeric = 100;
boolean_exists = ParameterExists("bool");
string_exists = ParameterExists("string");
number_exists = ParameterExists("number");
dump(boolean_exists); //true
dump(string_exists); //true
dump(number_exists); //false
See also
- Search Issue Tracker
- Search Lucee Test Cases (good for further, detailed examples)