function hook_system_themes_page_alter in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/system/system.api.php \hook_system_themes_page_alter()
2. 7 modules/system/system.api.php \hook_system_themes_page_alter()

Alters theme operation links.

Parameters

$theme_groups: An associative array containing groups of themes.

See also

system_themes_page()

Related topics

1 invocation of hook_system_themes_page_alter()

SystemController::themesPage in core/modules/system/src/Controller/SystemController.php

Returns a theme listing.

File

core/modules/system/system.api.php, line 23

Hooks provided by the System module.

Code

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(),
        ],
      ];
    }
  }
}