<?php

$servername = "localhost";
$username = "root";
$password = "";
$dbname = "some_db";



$x= file_get_contents('https://api.exchangeratesapi.io/latest?base=USD');
echo "<br>";
$data = json_decode($x, TRUE);
echo '<br>';
$size=sizeof($data);

if (array_key_exists('rates', $data) && is_array($data['rates'])) {
    foreach ($data['rates'] as $key=>$value ) {
        if ($key=='GBP') {
//            echo $key.':'.$value.'<br>';
            $conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
            if ($conn->connect_error) {
                die("Connection failed: " . $conn->connect_error);
            }

            $sql = "INSERT INTO wahrungstabelle (currency, val)
VALUES ('$key', '$value')";
            if ($conn->query($sql) === TRUE) {
                echo "New record created successfully";
            } else {
                echo "Error: " . $sql . "<br>" . $conn->error;
            }

        }
        if ($key=='CAD') {
//            echo $key.':'.$value.'<br>';
            $conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
            if ($conn->connect_error) {
                die("Connection failed: " . $conn->connect_error);
            }
            $sql = "INSERT INTO wahrungstabelle (currency, val)
VALUES ('$key', '$value')";

            if ($conn->query($sql) === TRUE) {
                echo "New record created successfully";
            } else {
                echo "Error: " . $sql . "<br>" . $conn->error;
            }
        }
        if ($key=='CHF') {
//            echo $key.':'.$value.'<br>';
            $sql = "INSERT INTO wahrungstabelle (currency, val)
VALUES ('$key', '$value')";
        }
        if ($key=='EUR') {
//            echo $key.':'.$value.'<br>';
            $sql = "INSERT INTO wahrungstabelle (currency, val)
VALUES ('$key', '$value')";
        }
    }
}

// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}

//$sql = "INSERT INTO wahrungstabelle (currency, val)
//VALUES ('John', 'Doe')";

if ($conn->query($sql) === TRUE) {
    echo "New record created successfully";
} else {
    echo "Error: " . $sql . "<br>" . $conn->error;
}

$conn->close();