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respect-validation/docs/rules/Number.md
Henrique Moody 562d98d805
 Refactor the NotEmpty rule 
Since we have the ability to use `not` as a prefix, having rules that
validate negative behaviour makes them a bit inflexible, verbose, and
harder to understand.

This commit will refactor the `NotEmpty`, and rename it to `Falsy`. It
will no longer trim strings, because Blank does a much better job at it;
it only simulates the behaviour of PHP’s native `empty()` function.

Because `Falsy`, `Blank`, and `Undef` have similar behaviour, I created
a page to demonstrate the difference and show when the user should use
one or the other.

Assisted-by: Cursor (claude-4.5-opus-high)
2025-12-29 12:48:35 +01:00

1.4 KiB
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Number

  • Number()

Validates if the input is a number.

v::number()->isValid(42); // true
v::number()->isValid(acos(8)); // false

"In computing, NaN, standing for not a number, is a numeric data type value representing an undefined or unrepresentable value, especially in floating-point calculations." Wikipedia

Templates

Number::TEMPLATE_STANDARD

Mode Template
default {{subject}} must be a valid number
inverted {{subject}} must not be a number

Template placeholders

Placeholder Description
subject The validated input or the custom validator name (if specified).

Categorization

  • Numbers

Changelog

Version Description
2.0.0 Created

See also: