respect-validation/docs/rules/In.md

In

• In(mixed $haystack)
• In(mixed $haystack, bool $identical)

Validates if the input is contained in a specific haystack.

For strings:

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

For arrays:

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

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

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

Templates

In::TEMPLATE_STANDARD

Mode	Template
default	{{name}} must be in {{haystack}}
inverted	{{name}} must not be in {{haystack}}

Template placeholders

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

Categorization

• Arrays
• Comparisons
• Strings

Changelog

Version	Description
0.3.9	Created

---

See also:

• Contains
• ContainsAny
• EndsWith
• Roman
• StartsWith