📅  最后修改于: 2022-03-11 14:53:55.440000             🧑  作者: Mango
// For PHP versions > 5.4.0
if (session_status() === PHP_SESSION_NONE) {
session_start();
}
// For PHP Versions < 5.4.0
if(session_id() == '') {
session_start();
}