LessThan

February 3, 2026 · View on GitHub

  • LessThan(mixed $compareTo)

Validates whether the input is less than a value.

v::lessThan(10)->assert(9);
// Validation passes successfully

v::lessThan(10)->assert(10);
// → 10 must be less than 10

Validation makes comparison easier, check out our supported comparable values.

Message template for this validator includes {{compareTo}}.

Templates

LessThan::TEMPLATE_STANDARD

ModeTemplate
default{{subject}} must be less than {{compareTo}}
inverted{{subject}} must not be less than {{compareTo}}

Template placeholders

PlaceholderDescription
compareToValue to be compared against the input.
subjectThe validated input or the custom validator name (if specified).

Categorization

  • Comparisons

Changelog

VersionDescription
2.0.0Created

See Also