How to display address on google map using Google Maps Embed API in php

How to display address on google map using Google Maps Embed API in php

<?php
$address = "Okhala phase 2 new delhi";
$address = str_replace(" ","+", $address);
?>
<iframe
  width="100%"
  height="400"
  frameborder="0" style="border:0"
  src="https://www.google.com/maps/embed/v1/place?key=YOUR_API_KEY
    &q=<?= $address ?>">
</iframe>