How can PHP be used to handle dynamic content loading based on user input in a web application?

To handle dynamic content loading based on user input in a web application using PHP, you can use AJAX to send user input to a PHP script, which then retrieves the relevant data from a database or another data source and returns it to the client-side for display. 

<?php
// Assuming the user input is sent via POST request
if(isset($_POST['user_input'])){
    // Connect to the database or data source
    // Retrieve data based on user input
    // Return the data in a format that can be easily displayed on the client-side
    echo json_encode($data);
}
?>

Keywords

PHP dynamic content user input web application handling

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