In PHP, you can use the built-in SOAP extension to consume SOAP web services.

To call a SOAP web service in PHP, you’ll need to do the following:

1. Enable the SOAP extension in PHP by uncommenting the line `extension=soap` in your php.ini file.

2. Create a new instance of the `SoapClient` class, passing the URL of the WSDL file for the SOAP web service as a parameter to the constructor. The WSDL file specifies the available methods and their parameters.

3. Use the methods of the `SoapClient` class to call the SOAP methods as needed. The method names and parameters should correspond to those specified in the WSDL file.

4. Handle any exceptions that may be thrown by the SOAP client if there are errors during the SOAP call.

Here’s an example of how to call a SOAP web service in PHP:

try {
// Create a new instance of the SoapClient class
$client = new SoapClient(“”);

// Call a method on the SOAP web service
$response = $client->someMethod($param1, $param2);

// Process the response
echo $response;
} catch (SoapFault $e) {
// Handle any SOAP errors
echo $e->getMessage();

In this example, the `SoapClient` class is used to call the `someMethod` method on the SOAP web service. The `$param1` and `$param2` variables are passed as arguments to the method call. The response from the web service is stored in the `$response` variable and then displayed.

You can find more information about how to use the SOAP extension in the PHP documentation: