public function getFeatureVariableInteger($featureFlagKey, $variableKey, $userId, $attributes = null)
    {
        return $this->getFeatureVariableValueForType(
            $featureFlagKey,
            $variableKey,
            $userId,
            $attributes,
            FeatureVariable::INTEGER_TYPE
        );
    }
public function getFeatureVariableInteger($featureFlagKey, $variableKey, $userId, $attributes = null)
    {
        return $this->getFeatureVariableValueForType(
            $featureFlagKey,
            $variableKey,
            $userId,
            $attributes,
            FeatureVariable::INTEGER_TYPE
        );
    }
public function getFeatureVariableInteger ( $ featureFlagKey , $ variableKey , $ userId , $ attributes = null ) { return $ this -> getFeatureVariableValueForType ( $ featureFlagKey , $ variableKey , $ userId , $ attributes , FeatureVariable :: INTEGER_TYPE ) ; }
Get the Integer value of the specified variable in the feature flag.

@param string Feature flag key
@param string Variable key
@param string User ID
@param array  Associative array of user attributes

@return string integer variable value / null
Get the Integer value of the specified variable in the feature flag .