<?php

$con = new mysqli("localhost", "root", "root", "test");
if ($con->connect_errno) {
    echo "Fallo al conectar a MySQL: (" . $con->connect_errno . ") " . $con->connect_error;
}

$username = $_POST['username'];
$password = $_POST['password'];

$sql = "SELECT * FROM users WHERE username = '$username'";
$result = $con->query($sql);

if ($result->num_rows == 1){
    $row = $result->fetch_assoc();
    $hash = $row['password'];

    if(password_verify($password, $hash)){
        echo "Yes <br />" . $hash;
    } else {
        echo "No<br/>";
        echo "" . $hash . "<br/>";
        echo $password;

    }
}
?>