How can PHP developers troubleshoot and debug cookie-related issues in their scripts?

To troubleshoot and debug cookie-related issues in PHP scripts, developers can start by checking if the cookies are being set properly, ensuring that the cookie parameters are correct, and verifying if the cookies are being sent and received correctly between the client and server. 

// Check if the cookie is being set properly
setcookie('test_cookie', 'value', time() + 3600, '/');

// Check if the cookie parameters are correct
setcookie('test_cookie', 'value', time() + 3600, '/', 'example.com', true, true);

// Verify if the cookie is being sent and received correctly
if(isset($_COOKIE['test_cookie'])) {
    echo 'Cookie is set and value is: ' . $_COOKIE['test_cookie'];
} else {
    echo 'Cookie is not set';
}

Keywords

cookies debugging troubleshooting setcookie $_COOKIE

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