" method="post" target="output_frame" id="form" class="flex flex-col gap-6"> $courseCode, 'custom_appsanywhere_custom_embed_course_id' => $courseId, 'roles' => $roles, 'oauth_consumer_key' => $consumerKey, $usernameField => $username, 'oauth_timestamp' => time(), // The current timestamp for OAuth 'oauth_nonce' => bin2hex(random_bytes(32)), // An OAuth nonce (limited to 96 characters) 'tool_consumer_info_product_family_code' => 'Test-System', // Free to be any value you like ]; ksort($params); // Params must be ordered by key $method = 'POST&'; $baseUrl = rawurlencode("https://{$host}/lti/application/embed") . '&'; // Parse params $paramString = ''; foreach ($params as $key => $value) { $paramString .= rawurlencode($key) . '=' . rawurlencode($value) . '&'; } $paramString = rawurlencode(rtrim($paramString, '&')); // Create base string for oauth signature, note the use of '&' with the secret $baseString = $method . $baseUrl . $paramString; $signature = base64_encode(hash_hmac('sha1', $baseString, $keySecret . '&', true)); ?>

Current details: