PHP：简单的表单发布到数据库

Question

I've been so out of touch with using PHP outside of content management systems that I've forgot some of the basic syntax etc. What I'm trying to build is a simple form that collects some user data and sends it to a database table called 'creathive_applications'.

Here is my HTML form:

                <form action="<?php bloginfo('home'); ?>" method="post">
                    <fieldset id="membershipform">                  
                        <ul class="clearfix">
                            <li id="li-status">
                                <span>I am a:</span>
                                <menu>
                                    <li><label for="student"><input disabled="disabled" type="radio" name="status" id="student" checked="checked" value="Graduate" /> Graduate</label></li>
                                    <li><label for="student2"><input disabled="disabled" type="radio" name="status" id="student2" value="Undergraduate" /> Undergraduate</label></li>
                                </menu>
                            </li>
                            <li id="li-firstname">
                                <label for="firstname">First Name</label> <input name="firstname" disabled="disabled" type="text" placeholder="First Name" id="firstname" title="First Name" />
                            </li>
                            <li id="li-lastname">
                                <label for="lastname">Last Name</label> <input name="lastname" disabled="disabled" type="text" placeholder="Last Name" id="lastname" title="Last Name" />
                            </li>
                            <li id="li-email">
                                <label for="email">Email address</label> <input name="email" disabled="disabled" type="text" placeholder="Email address" id="email" title="Email address" />
                            </li>
                            <li id="li-url">
                                <label for="url">URL</label> <input name="url" disabled="disabled" type="text" placeholder="URL of something you've made" id="url" title="URL of something you've made" />
                            </li>
                            <li id="li-buttons">
                                <input name="submit" type="submit" value="Send Application &#9658;" title="Send Application" onclick="alert('Invites available from March 2011');" />
                            </li>
                        </ui>
                    </fieldset>
                </form>

and here is the PHP jazz:

if(isset($_POST['submit']))

{

    $status = $_POST['status'];
    $firstname = $_POST['firstname'];
    $lastname = $_POST['lastname'];
    $email = $_POST['email'];
    $url = $_POST['url'];

    $host = '####';
    $username = '####';
    $pass = '####';

    mysql_connect($host,$username,$pass);
    mysql_select_db($username);

    $query = "INSERT INTO creathive_applications VALUES (NULL,'".$status."','".$firstname."','".$lastname."','".$email."','".$url."')";

    $result = mysql_query($query);

}

Can anyone help me fix this as I can't remember how to run my SQL statement and send the data to the database :/ Also I've added the database username and password as well as host but what about the database name? Where does that go again?

I know this is a rather n00b question, but any help would be much appreciated.

THANKS A LOT

Answer 1

Well, with no error it's impossible to tell what to fix.
However, there are some obvious things to do.
See the comments:

<?
//show all possible errors. should be ALWAYS set to that level
error_reporting(E_ALL); 
echo "landed at form handler<br>";

// sometimes buttons not being sent or gets misspelled
if($_SERVER['REQUEST_METHOD'] == 'POST')
{
    echo "here goes POST processing<br>";
    $host = '####';
    $username = '####';
    $pass = '####';

    mysql_connect($host,$username,$pass);
    mysql_select_db($username);

    // all strings should be escaped
    // and it should be done after connecting to DB
    $status    = mysql_real_escape_string($_POST['status']);
    $firstname = mysql_real_escape_string($_POST['firstname']);
    $lastname  = mysql_real_escape_string($_POST['lastname']);
    $email     = mysql_real_escape_string($_POST['email']);
    $url       = mysql_real_escape_string($_POST['url']);

    $query = "INSERT INTO creathive_applications 
              VALUES (NULL,'$status','$firstname','$lastname','$email','$url')";

    echo $query;
    // always run your queries this way to be notified in case of error
    $result = mysql_query($query) or trigger_error(mysql_error().". Query: ".$query);
    var_dump($result);
}

in case you still see no error, add this line temporarily to the top of the script

ini_set('display_errors',1);

and remove it immediately after you get the problem solved.

EDIT added some debug info.
If you see none of it's messages, you're sending your form to the wrong URL. If you see some of them, post it here