What is the difference between server-side PHP and client-side JavaScript in web development?

Server-side PHP is executed on the server before the page is sent to the client's browser, while client-side JavaScript is executed in the browser after the page has been received. PHP is used for server-side processing, such as database interactions and form submissions, while JavaScript is used for client-side interactions, such as user interface enhancements and dynamic content updates. 

<?php
// Server-side PHP code for processing form data
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    $name = $_POST['name'];
    $email = $_POST['email'];
    
    // Process the form data here
}
?>

Keywords

server-side PHP client-side JavaScript web development

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