Falsy

Validates whether the given input is considered empty or falsy, similar to PHP's empty() function.

We recommend you to check Comparing empty values for more details.

v::falsy()->isValid(''); // true

Null values are empty:

v::falsy()->isValid(null); // true

Numbers:

v::falsy()->isValid(0); // true

Empty arrays:

v::falsy()->isValid([]); // true

Templates

Mode	Template
`default`	{{subject}} must be falsy
`inverted`	{{subject}} must not be falsy

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

Version	Description
3.0.0	Renamed to `Falsy` and changed the behavior
0.3.9	Created as `NotEmpty`