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system.api.php in Drupal 10

Same filename and directory in other branches
  1. 8 core/modules/system/system.api.php
  2. 9 core/modules/system/system.api.php

Hooks provided by the System module.

File

core/modules/system/system.api.php
View source 
<?php

/**
 * @file
 * Hooks provided by the System module.
 */
use Drupal\Core\Url;

/**
 * @addtogroup hooks
 * @{
 */

/**
 * Alters theme operation links.
 *
 * @param $theme_groups
 *   An associative array containing groups of themes.
 *
 * @see system_themes_page()
 */
function hook_system_themes_page_alter(&$theme_groups) {
  foreach ($theme_groups as $state => &$group) {
    foreach ($theme_groups[$state] as &$theme) {

      // Add a foo link to each list of theme operations.
      $theme->operations[] = [
        'title' => t('Foo'),
        'url' => Url::fromRoute('system.themes_page'),
        'query' => [
          'theme' => $theme
            ->getName(),
        ],
      ];
    }
  }
}

/**
 * @} End of "addtogroup hooks".
 */

Functions

Namesort descending Description
hook_system_themes_page_alter Alters theme operation links.