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

Your Answer:

Login to answer

Other forums

How to use Substr
I want to check for the word CATEGORY: inside a string which can be CATEGORY: ITEM
and remove the

How can use this array as a key?
Say I have this array for example:


print_r($array);

Prints:
Code: [Select]Array

Attempt to assign property of non-object in...
I'm having issues with the following function in PHP 5...

function getTreeWithChildre

re calling a function without including file
Hi,
i am new to programming in php, i was just checking the wordpress code and found out in the w

preg_replace question
Hello!!

I hope someone can help me with preg_replace.

I load two tables from an extern

sql problems
I am having a small problem with my sql statement. it is inserting into 4 of the fields.

fie

Fetching array then reversing it
Hi, I have a simple problem, I'll try to explain it as best I can:
News entries in my database ar

Search in the PHP Files
have to search asterisk(*) in the php code of the php files .
In the html page one text box

problem with array - multilingual page
this is my test page :
Code: <?php
if(isset($_GET['lang'])) {
if($_GET['la

cyrillic string conversion question
Hello,

First time here...

I would like to know if there is a way to convert a