How can the error message "No identity supplied" be resolved in the context of an openID implementation in PHP?

To resolve the error message "No identity supplied" in the context of an openID implementation in PHP, you need to ensure that the user's identity is being properly passed to the server. This error typically occurs when the user's identity is not provided in the authentication request. To fix this issue, make sure that the user's identity is included in the authentication request parameters. 

// Check if user's identity is provided in the authentication request
if (!isset($_GET['openid_identity'])) {
    // Redirect user to the login page with the appropriate error message
    header('Location: login.php?error=No identity supplied');
    exit;
}

// Continue with the authentication process
// Your code here

Keywords

openID PHP error message identity resolution

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