function Assert::subclassOf

@psalm-pure @psalm-template ExpectedType of object @psalm-param class-string<ExpectedType> $class @psalm-assert class-string<ExpectedType>|ExpectedType $value

Parameters

mixed $value:

string|object $class:

string $message:

Throws

InvalidArgumentException

File

vendor/webmozart/assert/src/Assert.php, line 1537

Class

Assert

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

Namespace

Webmozart\Assert

Code

public static function subclassOf($value, $class, $message = '') {
    if (!\is_subclass_of($value, $class)) {
        static::reportInvalidArgument(\sprintf($message ?: 'Expected a sub-class of %2$s. Got: %s', static::valueToString($value), static::valueToString($class)));
    }
}