Undefined variable: POST - PHP and MySQL

I've got a form like this:

<form name="htmlform" method="post" action="script/gen.php?postData"> <table width="450px"> </tr> <tr> <td valign="top"> <label for="customer">Customer:</label> </td> <td valign="top"> <input type="text" name="customer" maxlength="50" size="30"> </td> </tr> <tr> <td valign="top""> <label for="nol">Number of licences: </label> </td> <td valign="top"> <input type="text" name="nol" maxlength="50" size="30"> </td> </tr> <tr> <td> <form method="post" action="script/gen.php"> <input type="button" onClick="getKey()"; value="Generate key"/> </td> </tr> <div> <h4>Licence Key: </h> </div> <tr> <td colspan="2"> <input type="submit" value="Submit"> </td> </tr> </table> </form> 

The codelines of interest is:

<input type="text" name="nol" maxlength="50" size="30"> 

and

<input type="text" name="customer" maxlength="50" size="30"> 

I try to write this information to a database like this:

function postData($key1) { //just to check if the key is equal to the one thats posted to the user //echo '<h5>From postData' . $key1 . '</h5>'; /*echo '<script type="text/javascript"> alert("The order has been submitted successfully"); location = "/Webpanel/index.html"; </script>';*/ $customerVar = $POST['customer']; $nolVar = $POST['nol']; mysql_connect("localhost","root","") or die(mysql_error()); mysql_select_db("licencedatabase"); $query_add = "INSERT INTO licence (`customer_name`,`licence_count`) VALUES ('$customerVar','$nolVar')"; $query_exec = mysql_query($query_add) or die(mysql_error()); mysql_close(); } 

But I keep getting the error:

Undefined variable: POST 

How can I accomplish this? Thanks in advance.

6 Answers

Its $_POST not $POST.

$customerVar = $_POST['customer']; $nolVar = $_POST['nol']; 

That's because it's called $_POST.

Try using $_POST instead of $POST

to access the superglobal POST use $_POST not $POST

All PHP superglobals (such as those for GET and POST) are prefixed with an underscore, so: $POST should be $_POST.

Have a look here for more information about the available superglobals in PHP:

Try using $_POST instead of $POST

Check following example:

The predefined $_POST variable is used to collect values from a form sent with method="post".

Information sent from a form with the POST method is invisible to others and has no limits on the amount of information to send.

Example:

<form action="submitform.php" method="post"> Name: <input type="text" name="fname" /> Age: <input type="text" name="age" /> <input type="submit" /> </form> 

When the user clicks the "Submit" button, the URL will look like this:

The "submitform.php" file can now use the $_POST variable to collect form data (the names of the form fields will automatically be the keys in the $_POST array):

Welcome <?php echo $_POST["fname"]; ?>!<br /> You are <?php echo $_POST["age"]; ?> years old. 

might you will understand clearly.