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contribute.php
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contribute.php
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<?php
include 'includes/header.php';
include('includes/database.php');
$p_id = $_GET['pid'];
$u_id = $_GET['uid'];
// sending query
$result = mysqli_query($conn, "SELECT * FROM user where user_id='$id'");
while($row = mysqli_fetch_array($result))
{
$credits = $row['credits'];
}
if($credits > 0){
$user = mysqli_query($conn, "SELECT * FROM user where user_id='$u_id'");
while($row = mysqli_fetch_array($user))
{
$u_credits = $row['credits'];
}
$f_credit = $credits - 1;
$t_credit = $u_credits + 1;
mysqli_query($conn, "UPDATE user SET credits ='$f_credit' WHERE user_id = '$id'")
or die(mysqli_error());
mysqli_query($conn, "UPDATE user SET credits ='$t_credit' WHERE user_id = '$u_id'")
or die(mysqli_error());
mysqli_query($conn, "INSERT INTO transaction (from_id,to_id,post_id)
VALUES ('$id','$u_id', '$p_id') ") or die (mysqli_error());
echo '<script>alert("Hooray!\n\nYou have done your contribution successfully.\nYou can see all your contributed posts in Paid Posts section.\n\n\tClick OK to redirect...");window.location.href="paid_posts.php";</script>';
}
else {
echo '<script>alert("Sorry, you don\'t have sufficiant credits!\nContribute to get credits.");window.location.href="home.php";</script>';
}
?>