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Viewing / Editing File: process_newsletter.php

<?php
// Set headers to prevent caching
header('Cache-Control: no-cache, must-revalidate');
header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
header('Content-Type: application/json');

// Initialize response array
$response = array(
    'status' => 'error',
    'message' => 'An unknown error occurred'
);

// Check if the request is a POST request
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    // Get form data
    $email = isset($_POST['email']) ? trim($_POST['email']) : '';
    
    // Validate email
    if (empty($email)) {
        $response['message'] = 'Please enter your email address';
    } elseif (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
        $response['message'] = 'Please enter a valid email address';
    } else {
        // In a real application, you would:
        // 1. Check if the email already exists in your database
        // 2. Add the email to your newsletter subscribers list
        // 3. Possibly send a confirmation email
        
        // For demonstration purposes, we'll simulate a successful subscription
        $success = true;
        
        if ($success) {
            $response['status'] = 'success';
            $response['message'] = 'Thank you for subscribing to our newsletter!';
            
            // Log the subscription (optional)
            $log_file = 'newsletter_subscriptions.log';
            $log_message = date('[Y-m-d H:i:s]') . " - New subscription: $email\n";
            // file_put_contents($log_file, $log_message, FILE_APPEND);
        } else {
            $response['message'] = 'Failed to subscribe. Please try again later.';
        }
    }
} else {
    $response['message'] = 'Invalid request method';
}

// Return JSON response
echo json_encode($response);
?>

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