isVariableDefined()

Additional XPath Functions

isVariableDefined

Test whether the named variable is defined.


Function Summary
 
minimal arguments Boolean isVariableDefined (String variableName)
 
all arguments Boolean isVariableDefined (String variableName)
 

Required Arguments
 
String variable a String expression containing a variable name without the leading dollar sign ($)

There are no optional arguments
 

Example
 
isVariableDefined("someVar")

returns true only if someVar is defined


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