PDOerror

<?php

$servername="xx";

$username="xx";

$password="xx";

$dbname="xx";

$conn = new PDO("mysql:host=$servername;dbname=$dbname",$username, $password);

$conn->setAttribute(PDO::ATTR_ERRMODE,PDO::ERRMODE_EXCEPTION);

$passwd = $_POST['passwd'];  //new line add

echo($passwd);

$stmt=$conn->prepare("SELECT password FROM user WHERE password=?");

$stmt->execute(['passwd']);

$stmt->setFetchMode(PDO::FETCH_CLASS,'password');

$result=$stmt->fetch();

if($result&&password_verify($_POST['passwd'],$result['password']))

  //comparing

{  echo("True");

}

else

{

 echo("False");

}