How can developers troubleshoot issues with AJAX requests not being recognized in PHP scripts?

When AJAX requests are not being recognized in PHP scripts, developers should ensure that the request method is set to "POST" or "GET" in the AJAX call. They should also check if the data is being sent correctly and that the PHP script is properly receiving and processing the data. Additionally, developers can use tools like browser developer tools or logging functions in PHP to debug and troubleshoot the issue. 

if ($_SERVER['REQUEST_METHOD'] == 'POST') {
    // Process the AJAX request data here
    $data = $_POST['data'];
    
    // Return a response to the AJAX call
    echo json_encode(['message' => 'Request received successfully']);
} else {
    // Handle other types of requests or errors
    http_response_code(405);
    echo 'Method Not Allowed';
}

Keywords

AJAX PHP troubleshooting requests scripts

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