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- PHP is one of the server-side scripting languages.
- PHP was originally called Personal Home Page.
- PHP is an open source and eventually the name changed to PHP Hypertext Pre-processor.
- PHP script can be embedded within HTML to create dynamic and interactive web pages.
1. Working with Form
- PHP is really good at handling data submitted to server in HTML forms.
- HTML forms allow users to enter data into a web page.
- On the server, we can use PHP page along the form collection to handle information set.
2. Simple form processing
- The main purpose of a FORM is to accept user input in a systematic structured manner.
<form
METHOD= “GET”
ACTION= “process.php”>
3. Authentication using USERNAME and PASSWORD
- Authentication is a mechanism for allowing a user to access private information or for preventing them from doing so.
4. Managing session
- A session is referred to as the duration for which a user is connected to a site.
- A session is a block of information that stores variables and values.
- A session consists of an identification string which is called the session ID.
- This session ID is sent to the user's computer in a cookie called PHPSESSID.
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