Simple MYSQL update script

update script

<?php


require("setting.php");
$link = mysqli_connect($setting["host"],$setting["username"],$setting["password"],$setting["db"]);

/* check connection */
if (mysqli_connect_errno()) {
    printf("Connect failed: %s\n", mysqli_connect_error());
    exit();
}


$query = "update users set comment ='viewed' where id ='1'";


if ($result = mysqli_query($link, $query)) {

   echo " Update OK ";

}
else {

printf(" failed: %s\n", mysqli_error($link));

}
mysqli_close($link);
?>

////Setting Sscript

<?php

//db conection settings

$setting=array("username"=>"root","password"=>"113","host"=>"127.0.0.1","db"=>"users");

?>