> Suppose I have a variable $i = 0 or 1 or 2
> and I have variables $item0, $item1 and $item2
> how do I print the variable $item0 using a combination of variable $item and
> variable $i?
> or with this code it gives me an error:
> $i = 0;
> $item0 = "test";
> echo $item$i; #how do I properly use this variable $item with $i?

   $var = "item$i";
   echo $$var;

Note the two dollar-signs in the second line.

I wonder if a basic array would make for easier-to-read code, though:

    $items = array( "test" );
    $i = 0;
    echo $items[$i];


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