function Mixin::nullOrLower

@psalm-pure @psalm-assert lowercase-string|null $value

Parameters

string|null $value:

string $message:

Return value

void

Throws

InvalidArgumentException

File

vendor/webmozart/assert/src/Mixin.php, line 3342

Class

Mixin

This trait provides nurllOr*, all* and allNullOr* variants of assertion base methods. Do not use this trait directly: it will change, and is not designed for reuse.

Namespace

Webmozart\Assert

Code

public static function nullOrLower($value, $message = '') {
    null === $value || static::lower($value, $message);
}