Zend_Reflection_Parameter adds a method for retrieving
the parameter type, as well as overrides methods to allow specifying
the reflection class to use on returned reflection objects.
getDeclaringClass($reflectionClass = 'Zend_Reflection_Class'): get the declaring class of the parameter as a reflection object (if available).getClass($reflectionClass = 'Zend_Reflection_Class'): get the class of the parameter as a reflection object (if available).getDeclaringFunction($reflectionClass = 'Zend_Reflection_Function'): get the function of the parameter as a reflection object (if available).getType(): get the parameter type.