How can a beginner in PHP effectively manage and display user input data in real-time on a webpage without using a database?

To manage and display user input data in real-time on a webpage without using a database, you can store the input data in a session variable and update the webpage using AJAX to fetch and display the latest data. This approach allows you to keep track of user input during a session without the need for a database. 

<?php
session_start();

if(isset($_POST['user_input'])){
    $_SESSION['user_input'] = $_POST['user_input'];
}

echo $_SESSION['user_input'];
?>

Keywords

PHP user input real-time webpage display

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