The simple answer for the popularity of PHP is it is used for the server-side scripting language.
Millions of websites are created & still counting.
In this article, I will give a glimpse of PHP in that I will cover
- What is PHP?
- What can PHP do?
What is PHP?
PHP is a Hypertext Preprocessor Language i.e. HTML embedded, server-side scripting language especially suited for web development.
Nice, but what does that mean?
Let’s see an example & it will give an idea of what does that means!
<title>Enter Title Here</title>
echo "Hi, I'm a Learning PHP script!";
So as we can see in the above example there are lots of commands to output HTML, PHP pages can contain HTML with embedded code that does “something” (In this case, output “Hi, I’m a Learning PHP script!”). The PHP code has special syntax at the start and end processing instructions <?php and ?> that allows us to jump into and out of PHP code.
The best thing I liked about PHP is that it is extremely simple for a newcomer, but offers many advanced features for a professional programmer. Don't be afraid of reading the long list of PHP's features. You can jump in, in a short time, and start writing simple scripts in a few hours. Although PHP's development is focused on server-side scripting, we can do much more with it.
What PHP can do?
Anything i.e. PHP is mostly focused on server-side scripting.
There are three main areas where PHP scripts are used.
- Server-side scripting. This is the most traditional and main target field for PHP. You need three things to make this work: the PHP parser (CGI or server module), a web server, and a web browser. You need to run the webserver, with a connected PHP installation. You can access the PHP program output with a web browser, viewing the PHP page through the server. All these can run on your home machine if you are just experimenting with PHP programming.
- Command-line scripting. You can make a PHP script to run it without any server or browser. You only need the PHP parser to use it this way.
- Writing desktop applications. PHP is probably not the very best language to create a desktop application with a graphical user interface, but if you know PHP very well, and would like to use some advanced PHP features in your client-side applications you can also use PHP-GTK to write such programs.
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Till then HAPPY LEARNING!!!