function runtime_loading() { $rtl_path = get_valid_runtime_loading_path(); if ($rtl_path !== false && @dl($rtl_path)) { return $rtl_path; } else { return false; } }
function get_runtime_loading_path_if_applicable() { $rtl = null; if (shared_and_runtime_loading()) { $rtl = get_valid_runtime_loading_path(); } return $rtl; }