11 functions implement hook_block_alter() 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.

block_test_block_alter in core/modules/block/tests/modules/block_test/block_test.module

Implements hook_block_alter().

color_block_view_system_branding_block_alter in core/modules/color/color.module

Implements hook_block_view_BASE_BLOCK_ID_alter().

help_block_view_help_block_alter in core/modules/help/help.module

Implements hook_block_view_BASE_BLOCK_ID_alter().

layout_builder_plugin_filter_block_alter in core/modules/layout_builder/layout_builder.module

Implements hook_plugin_filter_TYPE_alter().

layout_builder_test_form_layout_builder_configure_block_alter in core/modules/layout_builder/tests/modules/layout_builder_test/layout_builder_test.module

Implements hook_form_BASE_FORM_ID_alter() for layout_builder_configure_block.

menu_ui_block_view_system_menu_block_alter in core/modules/menu_ui/menu_ui.module

Implements hook_block_view_BASE_BLOCK_ID_alter() for 'system_menu_block'.

olivero_theme_suggestions_block_alter in core/themes/olivero/olivero.theme

Implements hook_theme_suggestions_HOOK_alter() for block().

settings_tray_block_alter in core/modules/settings_tray/settings_tray.module

Implements hook_block_alter().

statistics_block_alter in core/modules/statistics/statistics.module

Implements hook_block_alter().

system_block_view_system_main_block_alter in core/modules/system/system.module

Implements hook_block_view_BASE_BLOCK_ID_alter().

umami_theme_suggestions_block_alter in core/profiles/demo_umami/themes/umami/umami.theme

Implements hook_theme_suggestions_HOOK_alter() for block templates.