<?php
$nome = $_POST['nome'];
$cognome = $_POST['cognome'];
$tel = $_POST['tel'];
$indirizzo = $_POST['indirizzo'];
//$api = ce082e8dbc88c30d7f2b66d97e3ebeec50145e48;
//echo 'https://maps.query.city/user/maps/' . $nome . $cognome  . $api ;
$url1 = 'https://maps.query.city/user/maps/';
<iframe src="'.$url1 '" style="width:250px;height:250px;overflow:scroll;" id="MyFrame"></iframe>;

$url = file_get_contents("https://maps.googleapis.com/maps/api/geocode/json?address=".urlencode($indirizzo)."&sensor=false"."&key=AIzaSyBaAtkGMr1cYHdBV2GMHG_f0GPVHRHX_fc");
$response = json_decode($url);

if ($response->status == 'OK') {
    $latitude = $response->results[0]->geometry->location->lat;
    $longitude = $response->results[0]->geometry->location->lng;
    echo 'Nome: ' . $nome;
	echo '<br />';
	echo 'Cognome: ' . $cognome;
	echo '<br />';
    echo 'Telefono: ' . $tel;
	echo '<br />';
    echo 'Latitude: ' . $latitude;
    echo '<br />';
    echo 'Longitude: ' . $longitude;

} else {
    echo $nome . $cognome .$response->status;
	}
?>