respect-validation/docs/In.md

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}}.

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See also:

• StartsWith
• EndsWith
• Contains