srm.php

<?php 

$mapperConfiguration = new MapperConfiguration();

static class MapperCallableHelper{
    protected static $attributName = "";
    
    protected static $setterCallable = function(Mapper $mapper, $object, $value){
        $method = 'set'.ucfirst(self::$attributName);
        $object->$method($value);
    };
    
    protected static $isCallable = function(Mapper $mapper, $object, $value){
        $method = self::$attributName.'Is';
        $object->$method($value);
    };
    
    public static function setAttributName($name){
        self::$attributName = $name;
        return $this;
    }
    
    public static function getSetterCallable(){
        return self::$setterCallable;
    }
    
    public static function getIsCallable(){
        return self::$isCallable;
    }
}

$attributMapper = array(
    'id' => MapperCallableHelper::getSetterCallable(),
    'name' => MapperCallableHelper::getSetterCallable(),
    'size' => MapperCallableHelper::getSetterCallable(),
    'mayor' => MapperCallableHelper::getSetterCallable(),
    'enable' => MapperCallableHelper::getIsCallable(),
    'country' => function (Mapper $mapper, $city, $value) {
        /** @var Bouh\Demo\Entity\City $city */
        $city->countryIs($mapper->setObject(Bouh\Demo\Entity\Country::class, $value));
    }
);

$mapperConfigurationObject = new MapperConfigurationObject(Bouh\Demo\Entity\City::class);

foreach($attributMapper as $attribut => $callable){
    MapperCallableHelper::setAttributName($attribut);
    $mapperConfigurationObject->deserializerHandlerForAttributeIs($attribut, $callable);
}
$mapperConfigurationObject->mapperConfigurationIs($mapperConfiguration);