template_preprocess_image_formatter(&$variables)
Prepares variables for image formatter templates.
Default template: image-formatter.html.twig.
Parameters
array $variables: An associative array containing:
- item: An ImageItem object.
- item_attributes: An optional associative array of html attributes to be placed in the img tag.
- image_style: An optional image style.
- url: An optional \Drupal\Core\Url object.
File
- core/modules/image/image.field.inc, line 50
- Implement an image field, based on the file module's file field.
Code
function template_preprocess_image_formatter(&$variables) {
if ($variables['image_style']) {
$variables['image'] = array(
'#theme' => 'image_style',
'#style_name' => $variables['image_style'],
);
}
else {
$variables['image'] = array(
'#theme' => 'image',
);
}
$variables['image']['#attributes'] = $variables['item_attributes'];
$item = $variables['item'];
// Do not output an empty 'title' attribute.
if (Unicode::strlen($item->title) != 0) {
$variables['image']['#title'] = $item->title;
}
if (($entity = $item->entity) && empty($item->uri)) {
$variables['image']['#uri'] = $entity->getFileUri();
}
else {
$variables['image']['#uri'] = $item->uri;
}
foreach (array('width', 'height', 'alt') as $key) {
$variables['image']["#$key"] = $item->$key;
}
}
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