update.php

<?php
 if($_SERVER['REQUEST_METHOD']=='POST'){
 //Getting values
 $id = $_POST['id'];
 $username = $_POST['username'];
 $email = $_POST['email'];
 $password = $_POST['password'];
 $keadaan = $_POST['keadaan'];

 //importing database connection script
 require_once('dbConnect.php');

 //Creating sql query
 $sql = "UPDATE volley SET username = '$username', email = '$email', password = '$password', keadaan = '$keadaan' WHERE id = $id;";

 //Updating database table
 if(mysqli_query($con,$sql)){
 echo 'Admin Updated Successfull';
 }else{
 echo 'Could Not Update Admin Try Again';
 }

 //closing connection
 mysqli_close($con);
 }