KeyExists

KeyExists(int|string $key)

Validates if the given key exists in an array.

v::keyExists('name')->validate(['name' => 'The Respect Panda']); // true
v::keyExists('name')->validate(['email' => 'therespectpanda@gmail.com']); // false

v::keyExists(0)->validate(['a', 'b', 'c']); // true
v::keyExists(4)->validate(['a', 'b', 'c']); // false

v::keyExists('username')->validate(new ArrayObject(['username' => 'therespectpanda'])); // true
v::keyExists(5)->validate(new ArrayObject(['a', 'b', 'c'])); // false

Notes

To validate an array against a given rule if the key exists, use KeyOptional instead.
To validate an array against a given rule requiring the key to exist, use Key instead.

Categorization

Arrays
Structures

Changelog

Version	Description
3.0.0	Created from Key