$ _POST崩溃网站

I have the below php page, which is a holding page with a contact form:

    <!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="">
    <meta name="keywords" content="">
    <meta name="author" content="">

    <!--<link rel="icon" href="../../favicon.ico">-->


    <title>Coming Soon</title>

    <!-- Bootstrap -->
    <link href="assets/css/bootstrap.css" rel="stylesheet">
    <link href="assets/css/bootstrap-theme.css" rel="stylesheet">
    <link href="assets/css/font-awesome.css" rel="stylesheet">

    <!-- siimple style -->
    <link href="assets/css/style.css" rel="stylesheet">

  </head>

  <body>

    <div id="wrapper">
        <div class="container">
            <div class="row">
                <div class="col-md-12">
                    <h1>TEST</h1>
                    <h2 class="subtitle">We're working hard to improve our website and we'll be ready to launch soon
                    <h2 class="subtitle">Feel free to contact us below with any enquiries</h2>

                    <p>

                    <?php
                        $name = $_POST["contactname"];
                    ?>

                    <form class="Contact" method="post" action="">

                        <label class="alignleft">Name</label>
                        <input type="text" name="contactname" id="contactname" placeholder="Enter Name">

                        <label class="alignleft">Email</label>
                        <input name="Email" placeholder="Email Address">

                        <label class="alignleft">Enquiry</label>
                        <textarea name="Enquiry" placeholder="Your enquiry"></textarea><br>

                        <input id="submit" name="submit" type="submit" value="Submit!" class="btn btn-theme">

                    </form>

                <div class="social">
                        <a href="#"><i class="fa fa-facebook" aria-hidden="true"></i></a>
                         <a href="#"><i class="fa fa-twitter" aria-hidden="true"></i></a>
                         <!--<a href="#"><i class="fa fa-google-plus" aria-hidden="true"></i></a>
                         <a href="#"><i class="fa fa-linkedin" aria-hidden="true"></i></a>-->
                    </div>
                </div>

            </div>

        </div>
    </div>
    <script src="https://code.jquery.com/jquery-1.10.2.min.js"></script>
    <script src="assets/js/bootstrap.min.js"></script>

</body>
</html>

Within the php section I am trying to read the values of the input boxes, however even with only

$_POST["contactname"];

the website returns a 500 Internal Server Error. If i remove that line and replace with a simple:

echo "Test";

Then the site works and displays "Test"

If there something I am missing with the assigning of the variable from the input box?

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4条回答默认最新

doulu3808 2017-05-04 22:06

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I would recommend using a second file to process the form instead of having it all on one page. Not only does it make your code look cleaner but I find it can also help with debugging. So it will look something like this:

index.php:

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="">
    <meta name="keywords" content="">
    <meta name="author" content="">

    <!--<link rel="icon" href="../../favicon.ico">-->


    <title>Coming Soon</title>

    <!-- Bootstrap -->
    <link href="assets/css/bootstrap.css" rel="stylesheet">
    <link href="assets/css/bootstrap-theme.css" rel="stylesheet">
    <link href="assets/css/font-awesome.css" rel="stylesheet">

    <!-- siimple style -->
    <link href="assets/css/style.css" rel="stylesheet">

  </head>

  <body>

    <div id="wrapper">
        <div class="container">
            <div class="row">
                <div class="col-md-12">
                    <h1>TEST</h1>
                    <h2 class="subtitle">We're working hard to improve our website and we'll be ready to launch soon
                    <h2 class="subtitle">Feel free to contact us below with any enquiries</h2>

                    <form class="Contact" method="post" action="form_process.php">

                        <label class="alignleft">Name</label>
                        <input type="text" name="contactname" id="contactname" placeholder="Enter Name">

                        <label class="alignleft">Email</label>
                        <input name="Email" placeholder="Email Address">

                        <label class="alignleft">Enquiry</label>
                        <textarea name="Enquiry" placeholder="Your enquiry"></textarea><br>

                        <input id="submit" name="submit" type="submit" value="Submit!" class="btn btn-theme">

                    </form>

                <div class="social">
                        <a href="#"><i class="fa fa-facebook" aria-hidden="true"></i></a>
                         <a href="#"><i class="fa fa-twitter" aria-hidden="true"></i></a>
                         <!--<a href="#"><i class="fa fa-google-plus" aria-hidden="true"></i></a>
                         <a href="#"><i class="fa fa-linkedin" aria-hidden="true"></i></a>-->
                    </div>
                </div>

            </div>

        </div>
    </div>
    <script src="https://code.jquery.com/jquery-1.10.2.min.js"></script>
    <script src="assets/js/bootstrap.min.js"></script>

</body>
</html>

form_process.php:

<?php
    if(isset($_POST['contactname'])
    {
        $name = $_POST['contactname'];
        if(empty($name))
        {
            die("contact name is empty")
        }
        else
        {
            echo $name;
        }   
    }
    // Continue processing form data
?>

I would also follow the recommendations from other users about displaying PHP errors.

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