How to receive user input data in php

php editor Banana teaches you how to receive user input data. In web development, receiving user input data is a common requirement. PHP provides a variety of methods to process user input data, such as using super global variables such as $_GET, $_POST, $_REQUEST, etc. Through these methods, you can easily obtain form data submitted by users and achieve interactive communication with users. Next, we will introduce in detail the methods and techniques for receiving user input data in PHP, so that you can easily control user data and improve the website interactive experience.

1. $_POST: Used to receive form data submitted through the POST method.

<input type="text" name="username">
<input type="passWord" name="password">
<input type="submit" value="Submit">

$username = $_POST['username'];
$password = $_POST['password'];

2. $_GET: Used to receive data passed through the GET method, usually passed through URL parameters.

Http://example.com/index.php?username=john&password=123456

$username = $_GET['username'];
$password = $_GET['password'];

3. $_REQUEST: Used to receive data passed by GET and POST methods.

$username = $_REQUEST['username'];
$password = $_REQUEST['password'];

Please note that appropriate input validation and filtering should be performed when receiving user input data to ensure the security and integrity of the data.

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