PHP

wp wordPress variables de session

add_action('init', 'cyb_session_start', 1);
function cyb_session_start() {
    if( ! session_id() ) {
        session_start();
    }
}

wordpress session variables

 if (!session_id()) {
      session_start();
   }

store a variable in session and echo that variable on a page wordpress

function register_my_session(){
    if( ! session_id() ) {
        session_start();
    }
}

add_action('init', 'register_my_session');