Why PHP?
- PHP is a server side scripting language that is embeded in HTML and PHP code is executed on the server.
- PHP is open source language. That means this language falls within the parameters of open-source protocol.
- PHP is a powerfull language used to dynamic web pages. Can handle small or large websites.
- PHP is a recursive acronym "PHP: Hypertext Preprocessor"
Why PHP is called hypertext preprocessor ?
PHP libraries are already compiled. It takes the request from browser the that requestion first sent to the server then server interpret php files and return back responce.
What is PHP File?
Just like text file we use .txt extension, for document file we use .doc extension. In same way if we create a file with .php extension that file become php file.
Containt of PHP file?
In PHP file we can write HTML, CSS, JS. And we can write PHP code. To write php code we use PHP tags. Inside that tag we will write php code.
What can PHP do?
- PHP can generate dynamic webpages.
- Using PHP CRUD operation can be perform that means Create, Read, Update, Delete.
- Can modify database using PHP.
- Can create, read, update file.
- Can output image, pdf, doc.
- Can access cookies.
- Using PHP can be control user access.
- Can encrypt data.