RawObjectMapper.php

<?php

class RawObjectMapper
{
    public static function mapObjects(string $targetClassName, object $sourceObject): object
    {
        $sourceClass = \get_class($sourceObject);
        $targetObject = (new \Doctrine\Instantiator\Instantiator())->instantiate($targetClassName);

        $setter = \Closure::bind(static function (string $property, $value) use ($targetObject, $targetClassName): void {
            if (!\property_exists($targetObject, $property)) {
                throw new \InvalidArgumentException(
                    \sprintf(
                        'Cannot set property "%s" to "%s" object since this property does not exist.',
                        $property,
                        $targetClassName
                    )
                );
            }

            $targetObject->{$property} = $value;
        }, null, $targetClassName);

        $getter = function (string $property) use ($sourceObject, $sourceClass): mixed {
            if (!\property_exists($sourceObject, $property)) {
                throw new \InvalidArgumentException(
                    \sprintf(
                        'Cannot get value of property "%s" to "%s" object since this property does not exist.',
                        $property,
                        $sourceClass
                    )
                );
            }

            return $sourceObject->{$property};
        };

        $refl = new \ReflectionClass($sourceClass);
        foreach ($refl->getProperties() as $reflProperty) {
            $property = $reflProperty->getName();
            $setter($property, $getter($property));
        }

        return $targetObject;
    }
}