XML-RPC may have spawned the term Web service. Although XML was probably being passed between systems to perform similar functionality, XML-RPC was the first platform-neutral technology with a defined standard that did not require developers to learn proprietary formats or transports. By the end of this chapter, you should understand what XML-RPC is, its format, and how you can leverage it in PHP through the xmlrpc extension or the XML_RPC package in PEAR. This chapter will not cover the history of XML-RPC and its association to SOAP. You can find that material in Chapter 1.
KeywordsData Type Remote Server Proxy Server Response Document Base64 Data Type
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