Optional
v::optional(v $rule)
Validates if the given input is optional or not. By optional we consider null
or an empty string ('').
v::optional(v::alpha())->validate(''); // true
v::optional(v::digit())->validate(null); // true
See also:
v::optional(v $rule)Validates if the given input is optional or not. By optional we consider null
or an empty string ('').
v::optional(v::alpha())->validate(''); // true
v::optional(v::digit())->validate(null); // true
See also: