Update Database
Posted on
16th Feb 2014 07:03 pm by
admin
Hi All,
I have a problem with this:
Code: [Select]<?php
session_start();
include('../common/dbconnect.php');
$stock_id = $_GET['stock_id'];
$query='SELECT * FROM users_stocks WHERE user_id ="' . $_SESSION['user_id'] . '"';
$result = mysql_query($query, $conn) or die(mysql_error($conn));
$row = mysql_fetch_array($result);
extract($row);
$query1="SELECT t_val FROM stocks WHERE stock_id = '$stock_id'";
$result1 = mysql_query($query1, $conn) or die(mysql_error($conn));
$rows = mysql_fetch_array($result1);
extract($rows);
$query2="SELECT quant FROM users_stocks_details WHERE stock_id = '$stock_id' AND user_id ='" . $_SESSION['user_id'] . "'";
$result2 = mysql_query($query2, $conn) or die(mysql_error($conn));
$rows2 = mysql_fetch_array($result2);
extract($rows2);
//the values
$t = $row['total'];
$b = $row['bank'];
$t_val=$rows['t_val'];
$q = $_GET['quantity'];
$quant =$rows2['quant'];
//sums
$newb = $q * $t_val + $b;
$newt = $t + $newb;
$newquant = $quant - $q;
//the interesting bit
if ($q == 0)
{
echo "You Dont Have Any Stocks To Sell!";
}
if ($q > 0)
{
$updatebank = "UPDATE users_stocks SET bank = $newb WHERE user_id ='" . $_SESSION['user_id'] . "'";
$updatetotal = "UPDATE users_stocks SET total = $newt WHERE user_id ='" . $_SESSION['user_id'] . "'";
$updatequant = "UPDATE users_stocks_details SET quant = $newquant WHERE stock_id = '$stock_id' AND user_id ='" .$_SESSION['user_id']."'";
$showresults = "SELECT * FROM users_stocks WHERE user_id ='" . $_SESSION['user_id'] . "'";
$results = mysql_query($showresults, $conn) or die(mysql_error($conn));
$rrows = mysql_fetch_array($results);
extract($rrows);
echo "Thank you! You have succesfully sold $q stocks and you bank balance has incresed to $$newb, you have $newquant of these stocks left
";
}
?>
The total and bank updates work as they should, however the quantity of stocks does not decrease! Anyone see anything obvious?
Thanks
No comments posted yet
Your Answer:
Login to answer
68
47
Other forums
Better Method of a Member Cloud
I assume most people know how tag clouds work, where the tags most used are bigger and the least use
Need help to modify php ELSE code
I'm trying to find a way to have the php code display a message if there is no inventory listed in t
UDP server recvfrom() always returns -1? :(
Hello all,
I am getting a very strange error in my code :( I am writing a server application in C
Calling strings from other php class
I have test1.php{
$string1;
$string2;
....
... //10 strings in this class <
JSON SORT WITH PHP
I have two products that I want to sort by say "Id:17, value: xxx" using php
The page w
MS Access data into a html table
Hi everyone, I am quite a novice at php but I have created some helpful scripts that fetch data
f
DOMDocument parsing
Hello, I am parsing an xml file from an API which I have converted into a DOMDocument in php. This i
Change of partner analyse in sales orders
Hello,
I changed the partner analyse for sales orders and added a new mandatory partnerro
form variables from database help.
Hi all,
I would like to have a form that gives you options based on the results of an mysql q
Warning: session_start() [function.session-start]: Cann.....
hi, can someone help me with this? I keep getting this error....
Warning: session_start() [fu