Check if PHP session has already started

Question

I have a PHP file that is sometimes called from a page that has started a session and sometimes from a page that doesn\'t have session started. Therefore when I have s

Answer 1

i ended up with double check of status. php 5.4+

if(session_status() !== PHP_SESSION_ACTIVE){session_start();};
if(session_status() !== PHP_SESSION_ACTIVE){die('session start failed');};