Doctrine2 enum type implementation.

EnumType.php

<?php


namespace Nkt\Doctrine\Type;

use Doctrine\DBAL\Platforms\AbstractPlatform;
use Doctrine\DBAL\Types\Type;

/**
 * Enum type
 * @author Gusakov Nikita <dev@nkt.me>
 * @license MIT
 */
class EnumType extends Type
{
    public function getSQLDeclaration(array $fieldDeclaration, AbstractPlatform $platform)
    {
        if (!isset($fieldDeclaration['variants']) || !is_array($fieldDeclaration['variants'])) {
            throw new \InvalidArgumentException('You have to define array of variants');
        }
        $variants = array_map(function ($variant) use ($platform) {
            return "'$variant'";
        }, $fieldDeclaration['variants']);

        return 'ENUM(' . join(', ', $variants) . ')';
    }

    public function requiresSQLCommentHint(AbstractPlatform $platform)
    {
        return true;
    }

    public function getName()
    {
        return 'enum';
    }
}

Add next code in your app/config/config.yml

doctrine:
    dbal:
        ...
        mapping_types:
            enum: string
        types:
            enum: Nkt\Doctrine\Type\EnumType