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forexProcess.php
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forexProcess.php
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<?php
session_start();
$apiKey = $_SESSION["apiKey"];
$answer="";
if(isset($_SESSION["fromCurrency"]) && isset($_SESSION["toCurrency"])) {
if(isset($_POST["fromCurrency"]) && isset($_POST["toCurrency"])) {
extract($_POST);
$_SESSION["fromCurrency"] = $_POST["fromCurrency"];
$_SESSION["toCurrency"] = $_POST["toCurrency"];
}
$fromCurrency = $_SESSION["fromCurrency"];
$toCurrency = $_SESSION["toCurrency"];
$url = "https://www.alphavantage.co/query?function=CURRENCY_EXCHANGE_RATE&from_currency=" . $fromCurrency . "&to_currency=" . $toCurrency . "&apikey=" . $apiKey;
$obj = json_decode(file_get_contents($url), true);
$string = implode(":", $obj["Realtime Currency Exchange Rate"]);
$result = explode(":", $string);
if(isset($_POST["baseCurrencyConvert"])) {
if (is_numeric($_POST["baseCurrencyConvert"])) {
$exchangeRate = $result[4];
$total = $exchangeRate * $_POST["baseCurrencyConvert"];
$answer = "<table><tr><td>Base Currency Amount:</td><b><th>" . $_POST["baseCurrencyConvert"] . " " . $_SESSION["fromCurrency"] . "</th></b></tr><tr><td>Converted amount:</td><th><b>" . $total . " " . $_SESSION["toCurrency"] . "</b></th></tr></table>";
} else {
echo '<script language="javascript">';
echo 'alert("Please enter valid amount to convert.")';
echo '</script>';
}
}
} else {
header("Location: forex.php");
die();
}
?>
<html>
<head>
<title>Forex</title>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<link rel="stylesheet" href="assets/css/main.css" />
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
</head>
<body class>
<!-- Header -->
<header id="header">
<div class="inner">
<nav id="nav">
<a href="index.php">Home</a>
<a href="forex.php">Forex</a>
<a href="sp.php">S&P500</a>
<a href="index.php#about">About</a>
</nav>
<a href="#navPanel" class="navPanelToggle"><span class="fa fa-bars"></span></a>
</div>
</header>
<!-- Banner -->
<section id="banner">
<div class="inner">
<header>
<h1>Investa</h1>
</header>
</div>
</section>
<!-- Three -->
<section id="three" class="wrapper">
<div class="inner">
<header class="align-center">
<h2>Forex</h2>
<h4>Real Time Currency Exchange Rates</h4>
</header>
<div id="divResult" class="container"></div>
<div id="calculateForex">
<div class="align-center">
<div class="box">
<h4>Convert Amount: </h4>
<form method="post" action="forexProcess.php#calculateForex">
<h1>Base Currency <?php echo $_SESSION["fromCurrency"];?>:<input type="text" name="baseCurrencyConvert"></h1>
<br/>
<h1><div id="convertedAmount"></div></h1>
<br/>
<button type = "submit" id ="convertAmount" class="button special small">Convert Amount</button>
<br/>
</form>
</div>
</div>
</div>
<br/>
<div class="align-center">
<a href="forex.php"><button class="button special">Convert Another Currency</button></a>
</div>
</div>
</section>
<!-- footer -->
<div class="wrapper align-center">
<p class="copyright text-muted">
Copyright © Lauren Kwa 2017
<br/>
Design: <a href="http://templated.co">Templated</a>
</p>
</div>
<!-- Scripts -->
<script src="assets/js/jquery.min.js"></script>
<script src="assets/js/skel.min.js"></script>
<script src="assets/js/util.js"></script>
<script src="assets/js/main.js"></script>
<script type="text/javascript">
$(function() {
var result = '<?php echo $string; ?>';
<?php
$iterate = "<table class=\'table table-striped\'><tr><th>Base Currency</th><th></th><th>Converted Currency</th><th></th><th>Exchange Rate</th></tr><tr class>";
for($i=0; $i<5; $i++) {
$iterate .= "<td>" . $result[$i] . "</td>";
}
$iterate .= "</tr></table>";
?>
document.getElementById("divResult").innerHTML = '<?php echo $iterate; ?>';
document.getElementById("convertedAmount").innerHTML="<?php echo $answer?>";
});
</script>
</body>
</html>