login logout php

?php session_start(); $message=""; if(count($_POST)0) { $con = mysqli_connect('127.0.0.1:3306','root','','admin') or die('Unable To connect'); $result = mysqli_query($con,"SELECT * FROM login_user WHERE user_name='" . $_POST["user_name"] . "' and password = '". $_POST["password"]."'"); $row = mysqli_fetch_array($result); if(is_array($row ... pacis login