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POIssue with MySQL Select
 

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    <p>I'm building a website to learn coding. I have a claim.php which is a claim your business page (its just a place that you can search for a business and then click a link to addclaimedbiz.php) and a addclaimedbiz.php page which adds the claimed business to the database.</p> <p>First of all, heres my sql code for the user where the business id will be added to the row <strong>biz</strong>:</p> <pre><code>`id` int(15) NOT NULL AUTO_INCREMENT, `firstname` varchar(50) NOT NULL, `lastname` varchar(50) NOT NULL, `email` varchar(75) NOT NULL, `password` varchar(50) NOT NULL, `biz` int(1) NOT NULL, `verifiedbiz` int(1) NOT NULL, </code></pre> <p>and heres my sql code for the businesses:</p> <pre><code>`id` int(15) NOT NULL AUTO_INCREMENT, `name` varchar(50) NOT NULL, `phone` varchar(14) NOT NULL, `claimed` int(1) NOT NULL, </code></pre> <p>Now heres the code for claim.php that sends the company id to addclaimedbiz.php. ( I only posted a little but can post more if you need it!)</p> <pre><code> while($row = mysql_fetch_array($result)) { $id=$row['id']; $company_name=$row['name']; $company_phone=$row['phone']; $company_address=$row['address']; $address2=$row['address2']; $company_city=$row['city']; $company_zip=$row['zipcode']; $cat1=$row['cat1']; $cat2=$row['cat2']; $cat3=$row['cat3']; $subcat1=$row['subcat1']; $subcat2=$row['subcat2']; $subcat3=$row['subcat3']; $claimed=$row['claimed']; //Start While Loop echo" &lt;div class='listing'&gt; &lt;li&gt; &lt;span class='bphone'&gt;$company_phone&lt;/span&gt; &lt;span class='bname'&gt;$company_name&lt;/span&gt; &lt;br/&gt; &lt;div class='blocation'&gt;$company_address, $company_city, CO $company_zip ";if($address2 != ""){echo"(".$address2.")";}echo"&lt;/div&gt; &lt;br/&gt; ";if($claimed != 1){echo "&lt;a href='addclaimedbiz.php?id=".$id."'&gt;&lt;button&gt;Claim Business&lt;/button&gt;&lt;/a&gt;";}else{echo "Already Claimed";}echo" &lt;/li&gt; &lt;!--/Listing--&gt; &lt;/div&gt;"; } </code></pre> <p>And then heres my code for addclaimedbiz.php:</p> <pre><code> &lt;? $biz_id = $_REQUEST['id']; //This next select from db is to take the id of the company and get the name for the corresponding id include("./config.php"); $result = mysql_query("SELECT * FROM company WHERE id = '$biz_id'") or die(mysql_error()); while($row = mysql_fetch_array($result)) { $business_name = $row['name']; } ?&gt; </code></pre> <p>and then to echo out $business_name i use (this is on addclaimedbiz.php as well just down the page a bit)</p> <pre><code>&lt;?php if($biz == "0"){ echo "You are claiming:"$business_name " as your business"; } else{"You are already have a claimed business"} ?&gt; </code></pre> <p>What should be happening is it should echo out You are claiming: $business_name as your business but right now its leaving out $business_name. Why is this?</p> <p>Major thanks to all help!</p> <p>Oh and I left out some of the rows in my databases that were unnecessary to the problem I thought, but if you need them I can definitely post!</p> <hr> <p>EDIT</p> <hr> <p>my new code looks like this:</p> <pre><code>&lt;? error_reporting(E_ALL); $auth = $_COOKIE["auth"]; if ($auth != "1"){ header("Location: ./signin.php"); } $firstname = $_COOKIE['firstname']; $id = $_COOKIE['id']; $fname = ucwords($_COOKIE['firstname']); $lname = ucwords($_COOKIE['lastname']); $email = $_COOKIE['email']; $city = ucwords($_COOKIE['city']); $biz = ucwords($_COOKIE['biz']); $biz_id = $_REQUEST['id']; include("./config.php"); $result = mysql_query("SELECT * FROM company WHERE id = '$biz_id'") or die(mysql_error()); if(mysql_num_rows($result)){ while($row = mysql_fetch_assoc($result)){ $business_name = $row['name']; } } echo count($result); ?&gt; </code></pre>
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    1. CO`echo "You are claiming:" .$business_name. " as your business";`
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      1. USDon
    2. COWhat you're doing is leaving yourself open for SQL injection attacks. If someone enters a biz_id of `';DROP TABLE company;--,` then you'll be deleting your entire company table. Please see http://bobby-tables.com/php.html for details on how to use bind parameters.
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      1. USAndy Lester
    3. COyou forgot to `echo` in your else block at the end
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