On line 7 you create a new SOAPClient with the location of the service endpoint.

在第7行，使用服务端点创建了一个新的SOAPClient。

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SOAPClient action USES the WISE 5 client service to generate a JAXWS client class and call the target service.

SOAPClient使用WISE 5客户端服务生成JAXWS客户端代码，并调用目标服务。

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Note that, because ext/soap is built-in, we didn't need any include or require statement before referring to SoapClient.

注意，因为 ext/soap 是内置的，所以，在引用 SoapClient 之前，不需要任何 include 或 require 语句。

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