@array = (
           [ "A", "B", "C" ],
           [ "D", "E", "F" ],
           [ "G", "H", "I" ],
    );

##</code><code>##

for($col = 0; $col < $width; $col++)
{
	for($row = 0; $row < $height; $row++)
	{
		$myString = $myString.$array[$row][$col];
	}
        $myString ="";
}

##</code><code>##

"Use of unitialized value in concatenation... blah, blah"