ValidationRule
in
Classes implementing this one indicate their ability to test a variable and verify that it's contents are according to what was expected.
Tags
Table of Contents
- test() : ValidationError|string|bool|null
- This method checks if the content of a variable is ok. If this is not so it will return a validation error.
Methods
test()
This method checks if the content of a variable is ok. If this is not so it will return a validation error.
public
test(mixed $value) : ValidationError|string|bool|null
Parameters
- $value : mixed
-
The value to be tested
Return values
ValidationError|string|bool|null —Return a boolean or null value if everything was alright.