ScalarVal
February 3, 2026 · View on GitHub
ScalarVal()
Validates whether the input is a scalar value or not.
v::scalarVal()->assert(135.0);
// Validation passes successfully
v::scalarVal()->assert([]);
// → `[]` must be a scalar
Templates
ScalarVal::TEMPLATE_STANDARD
| Mode | Template |
|---|---|
default | {{subject}} must be a scalar |
inverted | {{subject}} must not be a scalar |
Template placeholders
| Placeholder | Description |
|---|---|
subject | The validated input or the custom validator name (if specified). |
Categorization
- Types
Changelog
| Version | Description |
|---|---|
| 3.0.0 | Templates changed |
| 1.0.0 | Created |