Laravel migration array type (store array in database column)
Stefan Izdrail
Founder & Senior Architect · 2026-06-29
Title: Laravel Migration Array Type (Store Array in Database Column)
Introduction:
When working with Laravel's migration system, you may need to store an array of data values in a database column. Since there is no native support for arrays in the Laravel documentation, it can be confusing for developers to find a suitable solution. In this comprehensive blog post, we will guide you through an effective method to achieve your desired outcome while maintaining proper database design and code organization.
Body:
1. Create a custom type class: Before proceeding with your migration, you need to create a custom type class for handling the array of integers. Create a new file (e.g., "ArrayType.php") within your project's "Database" folder and define the following class.
namespace Database\Types;
class ArrayType extends Type
{
public static function getName()
{
return 'array';
}
public static function fromJson($json)
{
if (!is_string($json)) {
// Throw an exception or handle the case as needed.
}
$value = json_decode($json, true); // Decode JSON to array
return new class($value) extends JsonSerializable
{
private $values;
public function __construct(array $values)
{
$this->values = $values;
}
public function jsonSerialize()
{
return $this->values; // Return the serialized array
}
};
}
public static function toJson($value)
{
if (!is_object($value)) {
throw new \Exception('Expected object of type ArrayType');
}
return json_encode($value->values);
}
}
This class will allow us to parse and serialize arrays as JSON objects in our database.
2. Update the migration: Now, it's time to update your existing migration code to use this custom type class for storing the array of integers. Here is an example:
public function up()
{
Schema::create('pickups', function (Blueprint $table) {
$table->increment('id');
$table->boolean('default');
$table->integer('shifts');
// Using the custom ArrayType class:
$table->json('shift_integers')
->nullable()
->using(ArrayType::class); // Set the custom type to handle array of integers
$table->integer('status_id');
$table->timestamps();
});
}
3. Utilize Eloquent and your models: Finally, you can use Laravel's Eloquent models to interact with the database column in a seamless manner. In your model classes, define accessors and mutators for the array column as needed. For example:
class Pickup extends Model {
public function getShiftIntegersAttribute($value)
{
if ($value && is_string($value)) {
return json_decode($value, true); // Decode the stored value as JSON array
} else {
return $value;
}
}
}
Conclusion:
By following these steps and using Laravel's powerful migration and Eloquent features, you can store an array of integers in your database. The custom ArrayType class provides a convenient way to handle this specific data type while maintaining proper database design and code organization. If you face any issues or need further guidance, feel free to reach out to the Laravel community for help.