Question

I get the array data like this:

$tags = $_GET['item']['tags'];  

if ($tags){
    foreach ($tags as $tag){

As the tags data is sent from an input field, which can be empty as well. So in case if $tags doesn’t get any data, i get the following notice:

Message: Undefined index: item

How can I avoid this notice?

if i try this:

$tags = isset($_GET['item']['tags']);

Then if $tags does not get any data, it does not show any warning, but if it gets any data then i get following warning:

Message: Invalid argument supplied for foreach()

How can I do it so that if $tags get any data then go to foreach loop, otherwise don’t give any notice that it didnt get any data.

Thanks.

Answer 1

You need to do this:

$tags = isset($_GET['item']['tags']) ? $_GET['item']['tags'] :'';