PHP World

Building dynamic websites with Php development

What makes the success of the Web today is both its simplicity and ease of access. A typical Internet user does not need to know "how it works behind". On the other hand, a webmaster must, first of all, know the basics of functioning of a website. How does one make one's site dynamic? What does php development mean?

Necessity of php development for sites

PHP is a language that only servers understand and that makes your site dynamic. It can work alone and is enough to create a dynamic site, but things become really interesting when combined with a DBMS such as MySQL. However for simplicity, forget for the moment MySQL and focus on PHP.

Customers are unable to understand PHP code: they only know HTML and CSS. Only the server can read PHP.

The role of PHP is precisely to generate HTML code (we can also generate CSS, but it's more rare), code that is then sent to the client in the same way as a static site, as shown in the following figure. PHP is a programming language used on many servers to make decisions. It's PHP that decides which HTML code will be generated and sent to the client each time.

To understand the value of all this, let's take an example. One can write in PHP: "If the visitor is a member of my site and that his name is Jonathan, Jonathan's welcome poster on the web page. On the other hand, if it is not a member of my site, displays Welcome instead and suggests to the visitor to register ".

This is a very basic example of a dynamic site: depending on whether you are a registered member or not, you will not see the same things and may not have access to all sections.

So, PHP is an easy-to-use language, ideal for beginners and professionals alike: Wikipedia and Facebook are examples of famous and busy sites that work with PHP. PHP in this sense is often a very good choice to make a site dynamic.

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