Input

Is Unique

Rule `is_unique`: Value must be unique in database table/column.

Usage

Use for uniqueness checks on create.

$schema = \Lemonade\Framework\Validation\ValidationSchema::create()
    ->field('field', 'Field')
        ->custom('is_unique')
        ->end();

$result = $validator->validate($payload, $schema);

Stable rule name

is_unique for translations, registry lookup and per-rule messages.

Group

Database