$client = new SoapClient("example.wsdl"); $response = $client->exampleFunction($arguments); $headers = $client->__getLastResponseHeaders(); echo $headers;In this example, a SOAP client is created using a WSDL file and a function from the server is called with some arguments. Then, the __getLastResponseHeaders function is used to retrieve the headers from the response. Finally, the headers are printed out. This function is part of the built-in PHP SoapClient class, which is included in the PHP core. Package library: PHP core.