ReflectionParameter::isPassedByReference Checks if passed by reference &reftitle.description; public boolReflectionParameter::isPassedByReference Checks if the parameter is passed in by reference. &warn.undocumented.func; &reftitle.parameters; &no.function.parameters; &reftitle.returnvalues; &true; if the parameter is passed in by reference, otherwise &false; &reftitle.seealso; ReflectionParameter::getName