if (!@$_GET['w'] && !@$_GET['wp'] && !@$_GET['wl'] && !@$_GET['ws'] && !@$_GET['h'] && !@$_GET['hp'] && !@$_GET['hl'] && !@$_GET['hs']) {
            // no resizing needed
            $phpThumb->DebugMessage('Passing "' . $SourceFilename . '" through directly, no resizing required ("' . $phpThumb->getimagesizeinfo[0] . '"x"' . $phpThumb->getimagesizeinfo[1] . '")', __FILE__, __LINE__);
        } elseif (($phpThumb->getimagesizeinfo[0] <= @$_GET['w']) && ($phpThumb->getimagesizeinfo[1] <= @$_GET['h']) && ((@$_GET['w'] == $phpThumb->getimagesizeinfo[0]) || (@$_GET['h'] == $phpThumb->getimagesizeinfo[1]))) {
            // image fits into 'w'x'h' box, and at least one dimension matches exactly, therefore no resizing needed