respect-validation/docs/rules/Number.md

Number

• Number()

Validates if the input is a number.

v::number()->validate(42); // true
v::number()->validate(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

Changelog

Version	Description
2.0.0	Created

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See also:

• BoolType
• CallableType
• FloatType
• IntType
• NotBlank
• NotEmpty
• NotOptional
• NullType
• NumericVal
• ObjectType
• ResourceType
• StringType
• Type