Introduction:

  • It is a backend language used to build a dynamic website with databases.
  • It is known as HyperText Preprocessor
  • we can develop web-based software applications with PHP.

why do we learn Php?

  • Ease of use and learn.
  • Cost efficiency(open-source).
  • support object-oriented programming(OOP).
  • supports cross-platform compatibility.
  • works with all servers like Apache, IIS, etc
  • security
  • has huge community.

Uses of Php in web development:

  • CMS(Content Management System).
  • E-commerce website
  • Mail Server
  • Chatting System
  • File Storage System
  • ERP(Enterprise Resource Planning)
  • CRM(Customer Resource Planning)

popular websites in PHP:

  • Facebook
  • Yahoo
  • Wikipedia
  • WordPress
  • Mailchimp
  • Flickr
  • Flipkart

Php Code Syntax:



<?php
...PHP Code...
?>

Php Code Syntax in HTML Tags

  
<html>
<head>
<title>Php code</title>
</head>
<body>
<?php
...PHP Code...
?>
</body>
</html>