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Thread: Error to validate XHTML 1.0 Strict

  1. #1
    Join Date
    Sep 2012
    Posts
    3

    Error to validate XHTML 1.0 Strict

    Hello,

    I'm a beginner in web programing ... and I'm trying to find a solution to validate my webpage in XHTML 1.0 strict
    Anyway I got stuck at the following line :

    <form name="calculator" method="post" action="calculator.php">


    XHTML 1.0 Strict doesn't accept <form name> and I don't know how to convert in something that could work.
    I know that are solution with javascript, but really I don't have a clue.

    I'm tryong to validate the code on http://validator.w3.org/check

    Here is the entire code :
    <?php

    require_once('base.php');
    require_once('functions.php');

    ?>
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

    <html xmlns="http://www.w3.org/1999/xhtml">
    <head>
    <title>Calculator</title>
    </head>
    <body>

    <h2>Calculator</h2>

    <div>



    </div>


    <form name="calculator" method="post" action="calculator.php">
    <div>
    Field 1:
    <br />
    <input type="text" name="field1" value="<?php if(isset($_POST['field1'])) { echo $_POST['field1']; } ?>" />
    </div>

    <div>
    Field 2: <br />
    <input type="text" name="field2" value="<?php if(isset($_POST['field2'])) { echo $_POST['field2']; } ?>" />
    </div>

    <div>

    Select an arithmetic operator: <br />
    <select name="field3">
    <option value="">Choisissez l'operateur:</option>

    <?php

    echo myselect();

    ?>

    </select>
    </div>

    <div>

    </div>

    <div>
    <input type="submit" name="submit" value="submit" />

    </div>
    </form>
    </body>
    </html>



    <?php

    if(isset($_POST['submit'])) {
    echo mycalculator();
    }

    ?>
    </body>
    </html>

  2. #2
    Join Date
    Aug 2006
    Posts
    1,942
    From http://www.w3schools.com/tags/att_form_name.asp

    Differences Between HTML and XHTML

    In XHTML, the name attribute of the <form> tag is deprecated, and will be removed. Use the id attribute instead.

  3. #3
    Join Date
    Sep 2012
    Posts
    3
    Thank you for the response! I'm a beginner with php and with xhtml 1.0 even more... can you be more specific please?

  4. #4
    Join Date
    Aug 2006
    Posts
    1,942
    It's saying that if you want to comply with xhtml 1.0 strict, you shouldn't use name="calculator" anymore, you should use id="calculator" instead. Just change the code for the <form> statement, and that'll probably clear it up.

    Dave

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