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POMySQL Syntax error when inserting
 

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    <p>I've got a syntax error in the following code, but I can't find it:</p> <pre><code>$tableSelect = $_POST["tableSelect"]; $companyName = $_POST["companyName"]; $telephone = $_POST["telephone"]; $fax = $_POST["fax"]; $email = $_POST["email"]; $address = $_POST["address"]; $postcode = $_POST["postcode"]; $category = $_POST["category"]; $contact = $_POST["contact"]; $contactTel = $_POST["contactTel"]; $contactEmail = $_POST["contactEmail"]; $sql = "INSERT INTO '" . $tableSelect . "' ('" . $companyName . "', '" . $telephone . "', '" . $fax . "', '" . $email . "', '" . $address . "','" . $postcode . "', '" . $category . "', '" . $contact . "', '" . $contactTel . "', '" . $contactEmail . "')"; mysqli_query($con,$sql); if (!mysqli_query($con,$sql)) { die('Error: ' . mysqli_error($con)); } </code></pre> <p>Cheers!</p> <p><strong>EDIT:</strong> I have modified the code to this:</p> <pre><code>$sql = "INSERT INTO `" . $tableSelect . "` (name, telephone, fax, email, address, postcode, category, contact, contactTel, contactEmail) VALUES (`" . $companyName . "`, `" . $telephone . "`, `" . $fax . "`, `" . $email . "`, `" . $address . "`,`" . $postcode . "`, `" . $category . "`, `" . $contact . "`, `" . $contactTel . "`, `" . $contactEmail . "`)"; </code></pre> <p>and now have the error "Error: Unknown column [companyName] in 'field list'", where [companyName] is the value submitted through the form. But surely I've defined the column as "name"?</p> <p><strong>Edit 2:</strong> Thanks, I'm now aware of the injection issue. I'd like to get it working, then I'll change it to using prepared statements.</p>
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    1. USBarnaby
    1. USBarnaby
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    1. COpoor bobby tables :( - http://bobby-tables.com/
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      1. USPrisoner
    2. COAside from injection, it seems to me that you've still got no VALUES, no values at all.
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      1. USStrawberry
    3. CO**You are leaving yourself wide open to SQL injection attacks.** Also, any input data with single quotes in it, like a name of "O'Malley", will blow up your SQL query. Please learn about using parametrized queries, preferably with the PDO module, to protect your web app. http://bobby-tables.com/php has examples to get you started.
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      1. USAndy Lester
 

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