filter_filter_secure_image_alter(&$image)
Implements hook_filter_secure_image_alter().
Formats an image DOM element that has an invalid source.
Parameters
DOMElement $image: An IMG node to format, parsed from the filtered text.
See also
_filter_html_image_secure_process()
Related topics
- Standard filters
- Filters implemented by the Filter module.
File
- core/modules/filter/filter.module, line 813
- Framework for handling the filtering of content.
Code
function filter_filter_secure_image_alter(&$image) {
// Turn an invalid image into an error indicator.
$image->setAttribute('src', base_path() . 'core/misc/icons/e32700/error.svg');
$image->setAttribute('alt', t('Image removed.'));
$image->setAttribute('title', t('This image has been removed. For security reasons, only images from the local domain are allowed.'));
$image->setAttribute('height', '16');
$image->setAttribute('width', '16');
// Add a CSS class to aid in styling.
$class = ($image->getAttribute('class') ? trim($image->getAttribute('class')) . ' ' : '');
$class .= 'filter-image-invalid';
$image->setAttribute('class', $class);
}
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