function Assert::resource

@psalm-pure @psalm-assert resource $value

Parameters

mixed $value:

string|null $type type of resource this should be. @see https://www.php.net/manual/en/function.get-resource-type.php:

string $message:

Throws

InvalidArgumentException

File

vendor/webmozart/assert/src/Assert.php, line 252

Class

Assert

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

Namespace

Webmozart\Assert

Code

public static function resource($value, $type = null, $message = '') {
    if (!\is_resource($value)) {
        static::reportInvalidArgument(\sprintf($message ?: 'Expected a resource. Got: %s', static::typeToString($value)));
    }
    if ($type && $type !== \get_resource_type($value)) {
        static::reportInvalidArgument(\sprintf($message ?: 'Expected a resource of type %2$s. Got: %s', static::typeToString($value), $type));
    }
}