addemp.php

<?php
session_start();
include 'db_conn.php';

$sr = "localhost";
$username = "root";
$password = "";
$dbname = "test_db";

$connect = mysqli_connect($sr,$username,$password,$dbname);

if (isset($_POST['submit'])) 
{
    if (!empty($_POST['name']) && !empty($_POST['email']) && !empty($_POST['password']) && !empty($_POST['role'])) 
    {
        $name = $_POST['name'];
        $email = $_POST['email'];
        $role = $_POST['role'];
        $pass = $_POST['password'];
        $pass = password_hash($pass, PASSWORD_DEFAULT);

        $query = "insert into users(full_name, email, role, password) values('$name', '$email', '$role', '$pass')";

        $run = mysqli_query($connect,$query);

        if ($run) 
        {
            $_SESSION['status'] = "Employee Added";
            header("Location: manage.php");
        }else {
            $_SESSION['status'] = "Employee Not Added";
            header("Location: manage.php");
        }
    }else 
    {
        $_SESSION['status'] = "All fields require";
            header("Location: manage.php");
    }
}