html and php input type submit doesn't work

Question

perhaps a simple question but I cant find an explanation: I have a php gallery application to make. One of the functions of the gallery is to show the miniatures of all uploaded photos. Every photo has to have a checkbox near it and there has to be a button that leads to a php script which does something like: show only checked photos in a new tab.

My problem is that the submit button doesn't work and I dont know what's the problem

EDIT: ok some more info what doesnt work: the buttons and the gallery show up, it's just the button doesnt run the script session.php when clicked. Here is the code:

echo '<form name ="gallery" method="post" action="session.php" enctype="multipart/form-data">';
for ($i=0; $i<count($files); $i++) {

    echo ($i+1).'. <img src="'.$files[$i].'" />  '; 
    echo '<input type="checkbox" name="gallery" value="'.($i+1).'">';
    echo "<br/>";

}
echo '<input type="submit" form = "gallery" name = "showchecked" value="button1" >';
echo '</form>';

You have invalid HTML, that might be the cause of your problem. And nctype="multipart/form-data" seems unnecessary since you don't have any file inputs. Also, you have a closing a tag but no opening one. — putvande
– putvande, Commented Jan 2, 2014 at 11:03
check your error logs.. and remove if there are any redirects in session.php so you can see the errors.. — zzlalani
– zzlalani, Commented Jan 2, 2014 at 11:13
How do you know that session.php is not running when the form is submitted? — chanchal118
– chanchal118, Commented Jan 2, 2014 at 11:14

putvande · Accepted Answer · 2014-01-02 11:25:52Z

3

Try echo '<input type="submit" name="showchecked" value="button1" >'; (without the form = "gallery" bit).

If I am correct you should only use form="yourform" when an input field / button is outside the actual form and this is only supported in HTML5. See http://dev.w3.org/html5/markup/input.submit.html (Thanks Gerald)

And as Gerald mentioned in a comment, your checkboxes all have the same name, you should either give them all a different name or do name="gallery[]".

edited Jan 2, 2014 at 11:25

answered Jan 2, 2014 at 11:10

putvande

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1 Comment

Gerald Schneider Over a year ago

I'd count w3.org as a "decent source": dev.w3.org/html5/markup/input.submit.html

chanchal118 · Accepted Answer · 2014-01-02 11:08:40Z

0

You are missing starting <a> tag here.

echo ($i+1).'. <img src="'.$files[$i].'" /></a>

Right form will be

for ($i=0; $i<count($files); $i++) {

echo "<a>"; // add this
echo ($i+1).'. <img src="'.$files[$i].'" /></a>  ';

edited Jan 2, 2014 at 11:08

answered Jan 2, 2014 at 11:03

chanchal118

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2 Comments

Simon Over a year ago

those are just typos from simplifying the code for stackoverflow, sorry, gonna edit those ones out

putvande Over a year ago

You should provide your code without typos. Otherwise you are getting wrong answers!

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