filter.api.php in Drupal 8
Same filename and directory in other branches
Hooks provided by the Filter module.
File
core/modules/filter/filter.api.phpView source
<?php
/**
* @file
* Hooks provided by the Filter module.
*/
/**
* @addtogroup hooks
* @{
*/
/**
* Perform alterations on filter definitions.
*
* @param array $info
* Array of information on filters exposed by filter plugins.
*/
function hook_filter_info_alter(&$info) {
// Alter the default settings of the URL filter provided by core.
$info['filter_url']['default_settings'] = [
'filter_url_length' => 100,
];
}
/**
* Alters images with an invalid source.
*
* When the 'Restrict images to this site' filter is enabled, any images that
* are not hosted on the site will be passed through this hook, most commonly to
* replace the invalid image with an error indicator.
*
* @param DOMElement $image
* An IMG node to format, parsed from the filtered text.
*/
function hook_filter_secure_image_alter(&$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.'));
// Add a CSS class to aid in styling.
$class = $image
->getAttribute('class') ? trim($image
->getAttribute('class')) . ' ' : '';
$class .= 'filter-image-invalid';
$image
->setAttribute('class', $class);
}
/**
* Perform actions when a text format has been disabled.
*
* @param \Drupal\filter\FilterFormatInterface $format
* The format object of the format being disabled.
*/
function hook_filter_format_disable($format) {
mymodule_cache_rebuild();
}
/**
* @} End of "addtogroup hooks".
*/
Functions
Name![]() |
Description |
---|---|
hook_filter_format_disable | Perform actions when a text format has been disabled. |
hook_filter_info_alter | Perform alterations on filter definitions. |
hook_filter_secure_image_alter | Alters images with an invalid source. |