# Base - `Base(string $base)` Validate numbers in any base, even with non regular bases. ```php v::base(2)->isValid('011010001'); // true v::base(3)->isValid('0120122001'); // true v::base(8)->isValid('01234567520'); // true v::base(16)->isValid('012a34f5675c20d'); // true v::base(2)->isValid('0120122001'); // false ``` ## Templates ### `Base::TEMPLATE_STANDARD` | Mode | Template | | ---------- | ---------------------------------------------------------- | | `default` | {{subject}} must be a number in base {{base|raw}} | | `inverted` | {{subject}} must not be a number in base {{base|raw}} | ## Template placeholders | Placeholder | Description | | ----------- | ---------------------------------------------------------------- | | `base` | The base passed to the constructor of the rule. | | `subject` | The validated input or the custom validator name (if specified). | ## Categorization - Numbers ## Changelog | Version | Description | | ------: | ----------- | | 0.5.0 | Created | --- See also: - [Base64](Base64.md) - [Uuid](Uuid.md)