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selecteduserdetail.php
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selecteduserdetail.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='transactionhistory.php';
</script>";
}
$newbalance= 0;
$amount =0;
}
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Transaction</title>
<!-- <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous"> -->
<link rel="stylesheet" type="text/css" href="css/table.css">
<link rel="stylesheet" type="text/css" href="css/navbar.css">
<link rel="stylesheet" type="text/css" href="./css/footer.css">
<style type="text/css">
button{
border:none;
background: #d9d9d9;
}
button:hover{
background-color:#777E8B;
transform: scale(1.1);
color:white;
}
</style>
</style>
</head>
<body>
<?php
include 'navbar.php';
?>
<div class="container">
<h2 class="text-center pt-4" style="color:purple ;font-weight : 700">Transaction</h2>
<?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="color : red;">
<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 : red;">
<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 : red;"><b>Transfer To:</b></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 : red;"><b>Amount:</b></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>
<footer class="text-center mt-5 py-2 footer">
<p>All © Copyright 2021 Reserved by <b> Mr.Ajay Patil</b> <br> For the Project of <b>THE SPARKS FOUNDATION</b></p>
</footer>
<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js" integrity="sha384-ho+j7jyWK8fNQe+A12Hb8AhRq26LrZ/JpcUGGOn+Y7RsweNrtN/tE3MoK7ZeZDyx" crossorigin="anonymous"></script>
</body>
</html>