# LeapYear - `LeapYear()` Validates if a year is leap. ```php v::leapYear()->assert('1988'); // Validation passes successfully ``` This validator accepts DateTime instances as well. ## Templates ### `LeapYear::TEMPLATE_STANDARD` | Mode | Template | | ---------: | :---------------------------------- | | `default` | {{subject}} must be a leap year | | `inverted` | {{subject}} must not be a leap year | ## Template placeholders | Placeholder | Description | | ----------- | ---------------------------------------------------------------- | | `subject` | The validated input or the custom validator name (if specified). | ## Categorization - Date and Time ## Changelog | Version | Description | | ------: | :---------------- | | 3.0.0 | Templates changed | | 0.3.9 | Created | ## See Also - [Date](Date.md) - [DateTime](DateTime.md) - [LeapDate](LeapDate.md) - [Time](Time.md)