What is the difference between server-side execution of PHP and client-side execution for event handling?

Server-side execution of PHP involves processing PHP code on the server before sending the output to the client, while client-side execution for event handling involves running JavaScript code on the client's browser in response to user actions. To handle events using PHP on the server-side, you can make an AJAX request from the client-side to a PHP script that processes the event and returns a response. 

// PHP script for handling event on the server-side
<?php
if(isset($_POST['data'])){
    $data = $_POST['data'];
    
    // Process the event data here
    
    // Return a response
    echo json_encode(['message' => 'Event handled successfully']);
}
?>

Keywords

server-side execution client-side execution PHP event handling difference

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