function Assert::null

@psalm-pure @psalm-assert null $value

Parameters

mixed $value:

string $message:

Throws

InvalidArgumentException

File

vendor/webmozart/assert/src/Assert.php, line 595

Class

Assert

Efficient assertions to validate the input/output of your methods.

Namespace

Webmozart\Assert

Code

public static function null($value, $message = '') {
    if (null !== $value) {
        static::reportInvalidArgument(\sprintf($message ?: 'Expected null. Got: %s', static::valueToString($value)));
    }
}