Resize IMG traag

function resize_image($image, $maxwidth=400, $maxheight=400) {
 	$size = getimagesize($image);

  	if($size[0] > $size[1]) {
        if($size[0] > $maxwidth) {
        	$width = $maxwidth;
        	$tel = $width/$size[0]*$size[1];
        	$height= round($tel,0);
        }
        else {
        	$width = $size[0];
        	$height = $size[1];
        }
    }
    else {
    	if($size[1] > $maxheight) {
			$height = $maxheight;
			$tel = $height/$size[1]*$size[0];
			$width= round($tel,0);
        }
		else {
            $width = $size[0];
            $height = $size[1];
  		}
    }
    if($size[0] < $maxwidth && $size[1] < $maxheight) {
      	return '<img src='.$image.' width='.$width.' height='.$height.' />';
 
       	return '<a href="javascript:void(0)" onClick="window.open(\''.$image.'\', \'popup\', \'height='.$size[1].', width='.$size[0].', fullscreen=no, location=no, menubar=no, status=no, toolbar=no, scrollbars=no, resizable=no\')"><img style="border: 1px #ffffff dashed;" src='.$image.' width='.$width.' height='.$height.' title="Click here on the image for real size." /></a>';
    }
}

function resize_image($image, $maxwidth=400, $maxheight=400) {
 	$size = getimagesize($image);
 
  	if($size[0] > $size[1]) {
        if($size[0] > $maxwidth) {
        	$width = $maxwidth;
        	$tel = $width/$size[0]*$size[1];
        	$height= round($tel,0);
        }
        else {
        	$width = $size[0];
        	$height = $size[1];
        }
    }
    else {
    	if($size[1] > $maxheight) {
			$height = $maxheight;
			$tel = $height/$size[1]*$size[0];
			$width= round($tel,0);
        }
		else {
            $width = $size[0];
            $height = $size[1];
  		}
    }
    if($size[0] < $maxwidth && $size[1] < $maxheight) {
      	return '<img src='.$image.' width='.$width.' height='.$height.' />';
 
       	return '<a href="javascript:void(0)" onClick="window.open(\''.$image.'\', \'popup\', \'height='.$size[1].', width='.$size[0].', fullscreen=no, location=no, menubar=no, status=no, toolbar=no, scrollbars=no, resizable=no\')"><img style="border: 1px #ffffff dashed;" src='.$image.' width='.$width.' height='.$height.' title="Click here on the image for real size." /></a>';
    }
}