Register enum as string in Laravel migrations

helpers.php

<?php

if (!function_exists('register_enum_type')) {
    /**
     * Registers the enum type as a string.
     * Call this in the constructor of your migration.
     */
    function register_enum_type()
    {
        \Illuminate\Support\Facades\Schema::getConnection()
            ->getDoctrineSchemaManager()
            ->getDatabasePlatform()
            ->registerDoctrineTypeMapping('enum', 'string');
    }
}