: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
declare (strict_types=1);
namespace YoastSEO_Vendor\GuzzleHttp\Promise;
* Interface used with classes that return a promise.
interface PromisorInterface
public function promise() : \YoastSEO_Vendor\GuzzleHttp\Promise\PromiseInterface;