What is the WordPress loop?

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The WordPress Loop is a standard feature adopted in WordPress development to display content.
If you have ever wanted to make code changes to your theme files, you may have come across this feature, as Loop code is usually used as part of your theme files.
Loop can be translated as a loop, and that idea of ​​a loop leads us to think that this WordPress Loop functionality would only serve to display a list of articles.
However, with the Loop it is also possible to display cameroon phone number list posts; in fact we can display any Custom Post Type (posts, pages, etc.) using the Loop functionality.

How is content generated?
Before we delve into the WordPress Loop, it is necessary to first understand how content is generated.
You are probably wondering, okay, the WordPress Loop is used to display content, but how does WordPress know what content to display? That is where URLs come into play.
If you have noticed, different content is displayed every time the URL changes in the address bar of your browser.
In summary, the process would be as follows:

A URL is queried: If this URL is a file, then the file is retrieved directly.
You can check this, for example, by directly querying your file http://yourdomain.com/robots.txt , you will see that it is displayed directly, i.e. WordPress does not intervene in this request.
If the URL does not refer to a specific file then you may have a URL that refers to a page, a post, a category, etc. The URL can be a friendly URL or it can be a URL with parameters (in case you have not enabled friendly URLs on your site) .
All WordPress requests go through the index.php file which is located at the root of your site. From there, a series of processes are performed to retrieve the data from the database with the parameters of the URL.
The data is retrieved and displayed using the theme you have active: the theme has a series of files that are used hierarchically depending on the content to be displayed.