[PHP] array_diff usage

[V e r b a l]

I'm daft. I don't understand the PHP Manual.

I have two arrays:
Open[0] contains 1 2 3 4 5
Closed[0] contains 1 2

Now:
$test = array_diff($Open, $Closed);
$lines = count($test);
print $lines;

Gives me: 1
I thought it should be 3.

While:
for ($counter =0; $counter <= $lines -1; $counter++)
{
        print $test[0];
}

gives me "5".

What I was hoping was that $lines should be 3 and that I'd get
3
4
5 
printed.

V e r b a l

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