This PR tackles at least some of the deprecation warnings which I noticed when using the package with PHP 8.1:
Deprecated: Return type of Metaregistrar\EPP\eppResponse::saveXML(?DOMNode $node = null, $options = null) should either be compatible with DOMDocument::saveXML(?DOMNode $node = null, int $options = 0): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Deprecated: strlen(): Passing null to parameter #1 ($string) of type string is deprecated
Deprecated: htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated
This PR tackles at least some of the deprecation warnings which I noticed when using the package with PHP 8.1: