Paylaştığım Diğer Hazır Kodlar;
Süper Lig Puan Durumu (PHP)
Son Deprem Verileri (PHP)
Javascript ile Klavye Hız Testi
Javascript ile Vücut Kitle İndeksi Hesaplama
Javascript ile Kredi Hesaplama
Link Kısaltma Servisi (PHP)
<!DOCTYPE html>
<html>
<head>
<title>Döviz Kuru Hesaplama Aracı</title>
<style>
body {font-family: Arial, sans-serif;background-color: #ccc;margin: 0;padding: 0;}
h1 {text-align: center;padding: 20px;background-color: #333;color: #fff;margin: 0;}
.container {max-width: 500px;margin: 20px auto;padding: 20px;background-color: #fff;border-radius: 5px;box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);}
label {font-weight: bold;}
select, input[type="text"], input[type="submit"] {display: block;width: 100%;margin-bottom: 10px;padding: 10px;border: 1px solid #ccc;border-radius: 3px;font-size: 16px;}
input[type="submit"] {background-color: #333;color: #fff;cursor: pointer;}
.result {margin-top: 20px;font-size: 20px;text-align: center;}
</style>
<script>
function updatePlaceholder() {
var fromCurrencySelect = document.getElementsByName('from_currency')[0];
var selectedCurrency = fromCurrencySelect.options[fromCurrencySelect.selectedIndex].value;
document.getElementsByName('amount')[0].placeholder = selectedCurrency;
}
</script>
</head>
<body>
<h1>Döviz Kuru Hesaplama Aracı</h1>
<div class="container">
<?php
if ($_SERVER["REQUEST_METHOD"] === "POST") {
$tcmbURL = 'https://www.tcmb.gov.tr/kurlar/today.xml';
$xml = simplexml_load_file($tcmbURL);
if ($xml !== false) {
$dovizKurlari = array(
'TRY' => "1",
'USD' => (float) $xml->Currency[0]->BanknoteSelling,
'EUR' => (float) $xml->Currency[3]->BanknoteSelling,
'GBP' => (float) $xml->Currency[4]->BanknoteSelling,
'AUD' => (float) $xml->Currency[1]->BanknoteSelling,
'CHF' => (float) $xml->Currency[5]->BanknoteSelling,
'CAD' => (float) $xml->Currency[7]->BanknoteSelling,
'KWD' => (float) $xml->Currency[8]->BanknoteSelling
);
$fromCurrency = strtoupper($_POST['from_currency']);
$amount = floatval($_POST['amount']);
$toCurrency = strtoupper($_POST['to_currency']);
if (array_key_exists($fromCurrency, $dovizKurlari) && array_key_exists($toCurrency, $dovizKurlari)) {
$conversionResult = $amount * ($dovizKurlari[$fromCurrency] / $dovizKurlari[$toCurrency]);
$conversionResult = number_format($conversionResult, 2);
echo "<p class='result'>$amount $fromCurrency = $conversionResult $toCurrency</p>";
} else {
echo "<p class='result'>Geçersiz döviz cinsi seçimi.</p>";
}
} else {
echo "<p class='result'>Döviz kurları çekilemedi.</p>";
}
}
?>
<form action="" method="post">
<label for="amount">Miktar:</label>
<input type="text" name="amount" placeholder="TRY" required>
<label for="from_currency">Dönüştürülecek Döviz:</label>
<select name="from_currency" onchange="updatePlaceholder()">
<option value="TRY">(TRY) TÜRK LİRASI</option>
<option value="USD">(USD) ABD DOLARI</option>
<option value="EUR">(EUR) EURO</option>
<option value="GBP">(GBP) İNGİLİZ STERLİNİ</option>
<option value="AUD">(AUD) AVUSTRALYA DOLARI</option>
<option value="CHF">(CHF) İSVİÇRE FRANGI</option>
<option value="CAD">(CAD) KANADA DOLARI</option>
<option value="KWD">(KWD) KUVEYT DİNARI</option>
</select>
<label for="to_currency">Hedef Döviz:</label>
<select name="to_currency"">
<option value="TRY">(TRY) TÜRK LİRASI</option>
<option value="USD">(USD) ABD DOLARI</option>
<option value="EUR">(EUR) EURO</option>
<option value="GBP">(GBP) İNGİLİZ STERLİNİ</option>
<option value="AUD">(AUD) AVUSTRALYA DOLARI</option>
<option value="CHF">(CHF) İSVİÇRE FRANGI</option>
<option value="CAD">(CAD) KANADA DOLARI</option>
<option value="KWD">(KWD) KUVEYT DİNARI</option>
</select>
<input type="submit" value="Hesapla">
</form>
</div>
</body>
</html>