How to create Database Connection with ENCRYPT Password in Php

<?php

 $username = $_POST['username'];
  $email = $_POST['email'];
 $psw = password_hash($_POST['psw'], PASSWORD_DEFAULT);
 $country = $_POST['country'];
$address = $_POST['address'];
$phone = $_POST['phone'];
$days = $_POST['days'];
$months = $_POST['months'];
$dob = $_POST['dob'];
  $con = mysqli_connect('localhost', 'root', '');
mysqli_select_db($con, 'EnterDatabaseName');
$q = "INSERT INTO  EnterTableName (username, email,country,psw,address,phone,days,months,dob)   VALUES ('$username','$email','$country','$psw','$address','$phone','$days','$months','$dob')";
mysqli_query($con,$q);
?>

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<form action="new2.php" method="Post">