(PHP 5, PHP 7, PHP 8)
The SoapClient class provides a client for » SOAP 1.1, » SOAP 1.2 servers. It can be used in WSDL or non-WSDL mode.
An array of type mappings used for custom XML-to-PHP type conversions,
or null if no type mappings are configured.
As of PHP 8.4.0, this property is of type array;
previously it was of type resource.
Code using is_resource() to check this property
must be updated accordingly.