Answers for "check if session is already running php"

stop docker container

//Check if the container is running
docker ps -a

docker container stop {container-id}

check if session is started php

if (session_status() == PHP_SESSION_NONE) {
    session_start();
}

php check if session is running

<?php
if(session_status() == PHP_SESSION_ACTIVE){
    //a session is already running
    session_destroy(); //stops the session
}
?>