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transact.php
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transact.php
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<?php
include 'config.php';
if(isset($_POST['submit']))
{
$from = $_GET['id'];
$to = $_POST['to'];
$amount = $_POST['amount'];
$sql = "SELECT * from users where id=$from";
$query = mysqli_query($conn,$sql);
$sql1 = mysqli_fetch_array($query); // returns array or output of user from which the amount is to be transferred.
$sql = "SELECT * from users where id=$to";
$query = mysqli_query($conn,$sql);
$sql2 = mysqli_fetch_array($query);
// constraint to check input of negative value by user
if (($amount)<0)
{
echo '<script type="text/javascript">';
echo ' alert("Oops! Negative values cannot be transferred")'; // showing an alert box.
echo '</script>';
}
// constraint to check insufficient balance.
else if($amount > $sql1['balance'])
{
echo '<script type="text/javascript">';
echo ' alert("Bad Luck! Insufficient Balance")'; // showing an alert box.
echo '</script>';
}
// constraint to check zero values
else if($amount == 0){
echo "<script type='text/javascript'>";
echo "alert('Oops! Zero value cannot be transferred')";
echo "</script>";
}
else {
// deducting amount from sender's account
$newbalance = $sql1['balance'] - $amount;
$sql = "UPDATE users set balance=$newbalance where id=$from";
mysqli_query($conn,$sql);
// adding amount to reciever's account
$newbalance = $sql2['balance'] + $amount;
$sql = "UPDATE users set balance=$newbalance where id=$to";
mysqli_query($conn,$sql);
$sender = $sql1['name'];
$receiver = $sql2['name'];
$sql = "INSERT INTO transaction(`sender`, `receiver`, `balance`) VALUES ('$sender','$receiver','$amount')";
$query=mysqli_query($conn,$sql);
if($query){
echo "<script> alert('Transaction Successful');
window.location='index.php #history';
</script>";
}
$newbalance= 0;
$amount =0;
}
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<meta name="description" content="">
<meta name="author" content="TemplateMo">
<link href="https://fonts.googleapis.com/css?family=Poppins:100,200,300,400,500,600,700,800,900&display=swap" rel="stylesheet">
<title>Basic Banking System-Transact</title>
<!-- Bootstrap core CSS -->
<link href="vendor/bootstrap/css/bootstrap.min.css" rel="stylesheet">
<!-- Additional CSS Files -->
<link rel="stylesheet" href="assets/css/fontawesome.css">
<link rel="stylesheet" href="assets/css/templatemo-finance-business.css">
<link rel="stylesheet" href="assets/css/owl.css">
<!--
Finance Business TemplateMo
https://templatemo.com/tm-545-finance-business
-->
</head>
<body>
<header class="">
<nav class="navbar navbar-expand-lg">
<div class="container">
<a class="navbar-brand" href="index.php">
<h2>Basic Banking System</h2>
</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarResponsive" aria-controls="navbarResponsive" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarResponsive">
<ul class="navbar-nav ml-auto">
<li class="nav-item">
<a class="nav-link" href="index.php">Home
<span class="sr-only">(current)</span>
</a>
</li>
<li class="nav-item">
<a class="nav-link" href="index.php #transfer">Transfer Money</a>
</li>
<li class="nav-item active">
<a class="nav-link" href="index.php #history">Transaction History</a>
</li>
</ul>
</div>
</div>
</nav>
</header>
<!-- Page Content -->
<div class="page-heading header-text">
<div class="container">
<div class="row">
<div class="col-md-12">
<h1 style="margin-top:-100px;">Transaction</h1>
<?php
include 'config.php';
$sid=$_GET['id'];
$sql = "SELECT * FROM users where id=$sid";
$result=mysqli_query($conn,$sql);
if(!$result)
{
echo "Error : ".$sql."<br>".mysqli_error($conn);
}
$rows=mysqli_fetch_assoc($result);
?>
<form method="post" name="tcredit" class="tabletext" ><br>
<div>
<table class="table table-striped table-condensed table-bordered">
<tr style="background: white; color:black; border:2px solid white;">
<th class="text-center">Id</th>
<th class="text-center">Name</th>
<th class="text-center">Email</th>
<th class="text-center">Balance</th>
</tr>
<tr style="color:white;">
<td class="py-2"><?php echo $rows['id'] ?></td>
<td class="py-2"><?php echo $rows['name'] ?></td>
<td class="py-2"><?php echo $rows['email'] ?></td>
<td class="py-2"><?php echo $rows['balance'] ?></td>
</tr>
</table>
</div>
<br><br><br>
<label style="color: white; float: left; font-weight:600;">Transfer To :</label>
<select name="to" class="form-control" required>
<option value="" disabled selected>Choose</option>
<?php
include 'config.php';
$sid=$_GET['id'];
$sql = "SELECT * FROM users where id!=$sid";
$result=mysqli_query($conn,$sql);
if(!$result)
{
echo "Error ".$sql."<br>".mysqli_error($conn);
}
while($rows = mysqli_fetch_assoc($result)) {
?>
<option class="table" value="<?php echo $rows['id'];?>" >
<?php echo $rows['name'] ;?> (Balance:
<?php echo $rows['balance'] ;?> )
</option>
<?php
}
?>
<div>
</select>
<br>
<br>
<label style="color: white; float: left; font-weight:600;">Amount:</label>
<input type="number" class="form-control" name="amount" required>
<br><br>
<div class="text-center" >
<button class="btn mt-3" name="submit" type="submit" id="myBtn">Transfer</button>
</div>
</form>
</div>
</div>
</div>
</div>
</div>
<!-- Footer Starts Here -->
<div class="sub-footer">
<div class="container">
<div class="row">
<div class="col-md-12">
<p id="footer">© 2022. Made by <b style="font-weight:800;">VIKRAM MARKALI</b> <br> Basic Banking System </p>
<p class="sparklink"><a href="https://internship.thesparksfoundation.info/" target="_blank" >GRIP | The Sparks Foundation</a></p>
</div>
</div>
</div>
</div>
<!-- Bootstrap core JavaScript -->
<script src="vendor/jquery/jquery.min.js"></script>
<script src="vendor/bootstrap/js/bootstrap.bundle.min.js"></script>
<!-- Additional Scripts -->
<script src="assets/js/custom.js"></script>
<script src="assets/js/owl.js"></script>
<script src="assets/js/slick.js"></script>
<script src="assets/js/accordions.js"></script>
<script language="text/Javascript">
cleared[0] = cleared[1] = cleared[2] = 0; //set a cleared flag for each field
function clearField(t) { //declaring the array outside of the
if (!cleared[t.id]) { // function makes it static and global
cleared[t.id] = 1; // you could use true and false, but that's more typing
t.value = ''; // with more chance of typos
t.style.color = '#fff';
}
}
</script>
</body>
</html>