system_module_test.module in Drupal 8
Same filename and directory in other branches
Provides System module hook implementations for testing purposes.
File
core/modules/system/tests/modules/system_module_test/system_module_test.moduleView source
<?php
/**
 * @file
 * Provides System module hook implementations for testing purposes.
 */
/**
 * Implements hook_page_attachments_alter().
 */
function system_module_test_page_attachments_alter(&$page) {
  // Remove the HTML5 mobile meta-tags.
  $meta_tags_to_remove = [
    'MobileOptimized',
    'HandheldFriendly',
    'viewport',
    'cleartype',
  ];
  foreach ($page['#attached']['html_head'] as $index => $parts) {
    if (in_array($parts[1], $meta_tags_to_remove)) {
      unset($page['#attached']['html_head'][$index]);
    }
  }
}Functions
| 
            Name | 
                  Description | 
|---|---|
| system_module_test_page_attachments_alter | Implements hook_page_attachments_alter(). |