Setting PHP Session ID In Your Own Naming Way

# default: PHPSESSID

session_name('snm');
if(!isset($_COOKIE['snm'])){
 $uniID = uniqid();
 $postFix = str_replace('.', '-', $_SERVER['REMOTE_ADDR']);
 $sessionId = $uniID.':'.$postFix;
 session_id($sessionId);

}

session_start();