Use PHP and AJAX to create the code _ php instance of the RSS aggregator

Source: Internet
Author: User
Use PHP and AJAX to create an RSS aggregation code. imagine using a simple HTML file to send a request to a server script and receive a custom XML file based on the request, then display it to the user without refreshing the browser! The author will discuss with you how to combine PHP and AJAX technologies in common Web applications to create real-time data transmission without refreshing the browser.
Although the PHP language is used in this article, please remember that any server language will work normally. To understand this article, I assume that you basically understand JavaScript, PHP, or a similar server-side language.
In this example, AJAX is used to send a request from an RSS feed to a custom PHP object. This PHP object copies the feed on the local server and returns this path. The request object receives the path, analyzes it, and displays the data to the user in HTML format. This sounds like it involves many steps. In fact, it consists of only four small files. Four small files are used to balance their specific strengths and make the processing of the entire system efficient.
I think some readers may ask why you want to create a copy of the feed on the local server instead of simply analyzing the original feed. This allows you to bypass the cross-origin restrictions imposed by xml http Request objects. Later, I will explain how to create this custom PHP object. but first, let's start with form creation.
Create a request form
 
The first thing you need to do is include JavaScript and any CSS files that you may want to use between your HTML head tags. I included a style table to implement the final layout of the aggregator and used a JavaScript file to send requests and analyze the feeds:

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