<?php
//Database connection in php

$host='localhost';
$username='root';
$password='';
$dbname='myprojectdb';

$conn=mysqli_connect($host,$username,$password,$dbname);

//Update query in php

$sql1="UPDATE `member` SET `name`='".trim($_POST['name'])."',`email`='".trim($_POST['email'])."',`phone`='".trim($_POST['phone'])."',`city`='".trim($_POST['city'])."',`address`='".trim($_POST['address'])."' WHERE `id`='".$_REQUEST['id']."'";
$res1=mysqli_query($conn,$sql1);

?>