In

  • v::in(mixed $haystack)
  • v::in(mixed $haystack, boolean $identical = false)

Validates if the input is contained in a specific haystack.

For strings:

v::in('lorem ipsum')->validate('ipsum'); // true

For arrays:

v::in(['lorem', 'ipsum'])->validate('lorem'); // true

A second parameter may be passed for identical comparison instead of equal comparison.

Message template for this validator includes {{haystack}}.


See also: