The Mechanics of WordPress: What Is Under the Hood?
HTML ( Hypertext Markup Language)
HTML is the very first language for the web browser you are currently using to read this article. It is the structure of a web page, which is divided in elements. If you are still following the mechanics analogy, this would be your car body.
CSS (Cascading Styles Sheet)
Like its name mentions, CSS is about adding style to a web page. Colours, fonts, pictures and more can be added on top of your HTML structure (web page). Now this would be your car paint!
PHP (Hypertext Preprocessor)
You turn up your engine and everything works just fine. Where do you go? There must be a road to use with your vehicle, otherwise it would have no utility. PHP is a scripting language that is equivalent to the roads and highways that get your content places. On the internet, the roads and highways are called servers.
Let us analyze how each language works together. Bear with me; we will not go into the technical details.
And there comes PHP in WordPress. As mentioned earlier, it is the language that allows people to fill in forms on your website and send it to a server. PHP is usually described as a server-side language, as it takes care of moving data from one place on the web to another. For example, when a visitor leaves you a message on your website contact form, PHP takes care of sending the information to your email or database.
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