Answers for "get session id in php"

php session regenerate id

<?php
session_start();

$old_sessionid = session_id();

session_regenerate_id();

$new_sessionid = session_id();

echo "Old Session: $old_sessionid<br />";
echo "New Session: $new_sessionid<br />";
?>

php session get data

<?php
  session_start();  
  if(isset($_SESSION['views']))
      $_SESSION['views'] = $_SESSION['views']+ 1;
  else
      $_SESSION['views'] = 1;

  echo "views = " . $_SESSION['views']; 
?>