LIBRARY AND INFORMATION SCIENCE

$valid_sessions = get_product_valid_sessions($prod); $first_session_data = $valid_sessions[0] ?? ['session' => 'Jul 25 - Jan 26', 'en_file' => '', 'hi_file' => '']; $has_en = !empty($first_session_data['en_file']); $has_hi = !empty($first_session_data['hi_file']); $default_medium = ($has_hi && !$has_en) ? 'Hindi' : 'English'; $default_session = $first_session_data['session']; $session_files_json = json_encode($valid_sessions, JSON_UNESCAPED_SLASHES); ?>