Listing 4: Generating a trackback with PHP.
清单4：使用php生成一个trackback。
The URL of the page that initiates the trackback.
发起trackback的页面的url。
Listing 5: a Web form to interactively set a trackback.
清单5：通过交互的方式设置trackback的Web表单。
The title and name of the Web page initiating the trackback.
发起trackback的web页面的标题和名称。
The result is that DomBlog doesn't have some of the latest features, like trackback.
结果是DomBlog 并没有很多最新的特性，例如 trackback。
This POST request contains various bits of information to make the trackback more useful.
这个POST请求包含了各种信息片段，从而使trackback更加有用。
If, on the other hand, the trackback fails, an error message like Listing 3 is generated.
另一方面，如果trackback失败，将生成如清单3所示的错误消息。
This trackback URL is the URL defined by the source blog to receive trackback requests for a specific post.
trackbackURL是源博客定义的URL，用来接收针对特定发布项的trackback请求。
Now, when the destination server receives this trackback request, the server generates one of two responses, both formatted in XML.
现在，当目标服务器接收到这个trackback请求后，服务器将生成两种响应中的一种，并且都使用 XML 格式。
Listing 5 generates a Web form that asks the user to input various attributes for a trackback: the trackback URL, post title and URL, blog name, and excerpt.
清单5生成了一个Web表单，要求用户输入各种不同的trackback属性：trackbackURL、发布项标题和URL、博客名称和摘录。
TrackBack is a specification that includes "discovery" (advertising where and how people can send pings) and a ping process using a simple HTTP request.
TrackBack是一种规范，包含“发现”(告知在哪以及如何发送ping)以及使用简单HTTP请求的一个ping过程。
TrackBack is a specification that includes "discovery" (advertising where and how people can send pings) and a ping process using a simple HTTP request.
TrackBack是一种规范，包含“发现”(告知在哪以及如何发送ping)以及使用简单HTTP请求的一个ping过程。
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