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<?php
namespace JsonRPC\Validator;
use JsonRPC\Exception\InvalidJsonRpcFormatException;
/**
* Class RpcFormatValidator
*
* @package JsonRPC\Validator
* @author Frederic Guillot
*/
class RpcFormatValidator
{
/**
* Validate
*
* @static
* @access public
* @param array $payload
* @throws InvalidJsonRpcFormatException
*/
public static function validate(array $payload)
{
if (! isset($payload['jsonrpc']) ||
! isset($payload['method']) ||
! is_string($payload['method']) ||
$payload['jsonrpc'] !== '2.0' ||
(isset($payload['params']) && ! is_array($payload['params']))) {
throw new InvalidJsonRpcFormatException('Invalid JSON RPC payload');
}
}
}
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