Returns HTML for an image field formatter.
array $variables: An associative array containing:
function theme_image_formatter($variables) {
$item = $variables['item'];
// Do not output an empty 'title' attribute.
if (isset($item['title']) && drupal_strlen($item['title']) == 0) {
unset($item['title']);
}
if ($variables['image_style']) {
$item['style_name'] = $variables['image_style'];
$output = theme('image_style', $item);
}
else {
$output = theme('image', $item);
}
// The link path and link options are both optional, but for the options to be
// processed, the link path must at least be an empty string.
if (isset($variables['path']['path'])) {
$path = $variables['path']['path'];
$options = isset($variables['path']['options']) ? $variables['path']['options'] : array();
// When displaying an image inside a link, the html option must be TRUE.
$options['html'] = TRUE;
$output = l($output, $path, $options);
}
return $output;
}