MODx Snippet: PhotoDimensions

<?php
// SNIPPET: PhotoDimensions
//
// Parameters:
// image
// classWide
// classTall

if (!$image) {
	return '';
}

$classWide = isset($classWide) ? $classWide : 'photoWide';
$classTall = isset($classTall) ? $classTall : 'photoTall';
$classSquare = isset($classSquare) ? $classSquare : $classTall;
$width = isset($width) ? $width : 400;


$size = GetImageSize( $_SERVER['DOCUMENT_ROOT'] . $image );

$w = $size[0];
$h = $size[1];

if ($mode == 'maxwidth') {
	if ($w > $width) {
		$output = '/assets/snippets/thumb/phpThumb.php?src=' . $image . '&amp;w=' . $width;
	} else {
		$output = $image;
	}
} elseif (!$mode) {
	if ( $w > $h ) {
		$output = $classWide;
	} elseif ( $w < $h ) {
		$output = $classTall;
	} else {
		$output = $classSquare;
	}
} elseif ($mode == 'email') {
	if ( $w > $h ) { // landscape
		$output = '/assets/snippets/thumb/phpThumb.php?src=' . $image . '&amp;w=' . $width;
	} elseif ( $w < $h ) { // portrait
		$output = '/assets/snippets/thumb/phpThumb.php?src=' . $image . '&amp;w=' . $width / 2.1;
	} else { // square
		$output = '/assets/snippets/thumb/phpThumb.php?src=' . $image . '&amp;w=' . $width;
	}
} elseif ($mode == 'w') {
	return $w;
} elseif ($mode == 'h') {
	return $h;
}

return $output;
?>