8 functions implement hook_page_top() in Drupal 9

Note: this list is generated by pattern matching, so it may include some functions that are not actually implementations of this hook.

big_pipe_test_page_top in core/modules/big_pipe/tests/modules/big_pipe_test/big_pipe_test.module

Implements hook_page_top().

block_page_top in core/modules/block/block.module

Implements hook_page_top().

language_test_page_top in core/modules/language/tests/language_test/language_test.module

Implements hook_page_top().

node_page_top in core/modules/node/node.module

Implements hook_page_top().

session_exists_cache_context_test_page_top in core/modules/system/tests/modules/session_exists_cache_context_test/session_exists_cache_context_test.module

Implements hook_page_top().

system_page_top in core/modules/system/system.module

Implements hook_page_top().

toolbar_page_top in core/modules/toolbar/toolbar.module

Implements hook_page_top().

update_page_top in core/modules/update/update.module

Implements hook_page_top().