Tag: element
Nabin Nepal (Starx) element html5 tags
March 24, 2012

Are custom elements valid HTML5?

Question by user1282216

user1282216user1282216

I’ve been unable to find a definitive answer to whether custom tags are valid in HTML5, like this:

<greeting>Hello!</greeting>

I’ve found nothing in the spec one way or the other:

http://dev.w3.org/html5/spec/single-page.html

Douglas Crockford claims:

Custom HTML tags have always been allowed in HTML. In HTML 5 they
become first class

… but he offers no proof.

http://www.crockford.com/html/

And custom tags don’t seem to validate with the W3C validator.

So if anyone can help me definitely answer this, please do!

Thanks!

Answer by Starx

StarxStarx

Its not

XML

Creating your own elements in HTML is possible but not valid[Spec]. That’s what XML, SGML and other are for. HTML has a set of rules, which browsers, search engine understand and perform. Why do you want to mess around with that?There is a always a better way

There is a javascript technique that is used to enable HTML5 in IE browsers.

document.createElement(elementName)

You can use this to create any element and have CSS style it as well.

Nabin Nepal (Starx) arrays element php select
June 22, 2011

Remembering options in a select box array after submitting through php

Question by Marcus Edensky

Marcus EdenskyMarcus Edensky
<form method="post">
    <select name="box[]">
        <option value="1" <?php if ($_POST['box[0]'] == "1") echo "selected="selected";"?>>1</option>
        <option value="2" <?php if ($_POST['box[0]'] == "2") echo "selected="selected";"?>>2</option>
        <option value="3" <?php if ($_POST['box[0]'] == "3") echo "selected="selected";"?>>3</option>
    </select>
    <p>
    <select name="box[]">
        <option value="1" <?php if ($_POST['box[1]'] == "1") echo "selected="selected";"?>>1</option>
        <option value="2" <?php if ($_POST['box[1]'] == "2") echo "selected="selected";"?>>2</option>
        <option value="3" <?php if ($_POST['box[1]'] == "3") echo "selected="selected";"?>>3</option>
    </select>
    <p>
    <input type="submit" value="Submit">
</form>

When I use box names “box1” and “box2”, it works without a problem. What am I doing wrong?

****** EDIT ********

Thanks a lot for your comments, but I actually found the solution myself, even if it doesn’t make much sense. Instead of using $_POST[‘box’][0] and [1] at the if statement, I simply used $box[0] and [1]. Even though it’s posted, apparently php sees it as a normal array, and not as some kind of $_POST-array! Working code:

<form method="post">
    <select name="box[]">
        <option value="1" <?php if ($box[0] == "1") echo "selected='selected'";?>>1</option>
        <option value="2" <?php if ($box[0] == "2") echo "selected='selected'";?>>2</option>
        <option value="3" <?php if ($box[0] == "3") echo "selected='selected'";?>>3</option>
    </select>
    <p>
    <select name="box[]">
        <option value="1" <?php if ($box[1] == "1") echo "selected='selected'";?>>1</option>
        <option value="2" <?php if ($box[1] == "2") echo "selected='selected'";?>>2</option>
        <option value="3" <?php if ($box[1] == "3") echo "selected='selected'";?>>3</option>
    </select>
    <p>
    <input type="submit" value="Submit">
</form>

Answer by Marcus Edensky

Marcus EdenskyMarcus Edensky

Thanks a lot for your comments, but I actually found the solution myself, even if it doesn’t make much sense. Instead of using $_POST[‘box’][0] and [1] at the if statement, I simply used $box[0] and [1]. Even though it’s posted, apparently php sees it as a normal array, and not as some kind of $_POST-array! Working code:

<form method="post">
    <select name="box[]">
        <option value="1" <?php if ($box[0] == "1") echo "selected='selected'";?>>1</option>
        <option value="2" <?php if ($box[0] == "2") echo "selected='selected'";?>>2</option>
        <option value="3" <?php if ($box[0] == "3") echo "selected='selected'";?>>3</option>
    </select>
    <p>
    <select name="box[]">
        <option value="1" <?php if ($box[1] == "1") echo "selected='selected'";?>>1</option>
        <option value="2" <?php if ($box[1] == "2") echo "selected='selected'";?>>2</option>
        <option value="3" <?php if ($box[1] == "3") echo "selected='selected'";?>>3</option>
    </select>
    <p>
    <input type="submit" value="Submit">
</form>

Answer by Starx

StarxStarx

Both, elements have same name. Thats the problem.
$_POST['box[0]'] , $_POST['box[1]'] , contains the array of the two elements, not the value it self.

...

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