<?php

$req_url = 'https://api.exchangerate.host/latest?base=USD';


$response_json = file_get_contents($req_url);

// Continuing if we got a result
if(false !== $response_json) {

    // Try/catch for json_decode operation
    try {

        // Decoding
        $response = json_decode($response_json);

        // Check for success

            $moneybirim = $response->rates->TRY;



    }
    catch(Exception $e) {
        // Handle JSON parse error...
    }

}

  $urunfiyat = 30;
$toplamesx = $urunfiyat * $moneybirim;


echo $toplamesx;
?>