Postcodes.io geolocation search by postcode

geoLocationFromPostcode.php

<?php

/**
 * @param $postcode
 *
 * @return array
 */
function getGeoLocationFromPostcode($postcode) {
  $geo = [];
  $url = "https://api.postcodes.io/postcodes/" . $postcode;
  $ch = curl_init();
  curl_setopt($ch, CURLOPT_URL, $url);
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
  $result = curl_exec($ch);
  $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
  curl_close($ch);
  if ($httpCode == 200) {
    $json = json_decode($result);
    $geo = [
      'lat' => $json->result->latitude,
      'lon' => $json->result->longitude,
    ];
  }

  return $geo;
}