Mixed
Guide
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The mixed type accepts every value. It is equivalent to the union type object|resource|array|string|float|int|bool|null. Available as of PHP 8.0.0.
The mixed type accepts every value. It is equivalent to the union type object|resource|array|string|float|int|bool|null. Available as of PHP 8.0.0.
mixed is, in type theory parlance, the top type, meaning every other type is a subtype of it.