Name Type Location Description
translation_form_node_form_alter function core/modules/translation/translation.module Implements hook_form_BASE_FORM_ID_alter() for node_form().
file_file_mimetype_mapping_alter function core/modules/file/file.file.inc Implements hook_file_mimetype_mapping_alter().
hook_entity_view_mode_info_alter function core/modules/entity/entity.api.php Alter the display modes for entity types.
NodeEntityFieldQueryAlter::setUp function core/modules/node/tests/node.test Sets up a Backdrop site for running functional and integration tests.
taxonomy_field_widget_info_alter function core/modules/taxonomy/taxonomy.module Implements hook_field_widget_info_alter().
node_test_entity_view_mode_alter function core/modules/node/tests/node_test/node_test.module Implements hook_entity_view_mode_alter().
ajax_example_node_form_alter.inc file modules/examples/ajax_example/ajax_example_node_form_alter.inc This example shows how to use AJAX when altering a node form.
_views_query_tag_alter_condition function core/modules/views/views.module Replaces the substitutions recursive foreach condition.
update_form_system_modules_alter function core/modules/update/update.module Implements hook_form_FORM_ID_alter() for system_modules().
menu_test_menu_site_status_alter function core/modules/simpletest/tests/menu_test.module Implements hook_menu_site_status_alter().
hook_contextual_links_view_alter function core/modules/contextual/contextual.api.php Alter a contextual links element before it is rendered.
common_test_backdrop_alter_alter function core/modules/simpletest/tests/common_test.module Implements hook_TYPE_alter().
admin_bar_admin_bar_output_alter function core/modules/admin_bar/admin_bar.module Implements hook_admin_bar_output_alter().
hook_field_storage_details_alter function core/modules/field/field.api.php Perform alterations on Field API storage details.
hook_menu_contextual_links_alter function core/modules/system/system.api.php Alter contextual links before they are rendered.
image_example_image_styles_alter function modules/examples/image_example/image_example.module Implements hook_image_styles_alter().
taxonomy_field_widget_form_alter function core/modules/taxonomy/taxonomy.module Implements hook_field_widget_form_alter().
session_test_backdrop_goto_alter function core/modules/simpletest/tests/session_test.module Implements hook_backdrop_goto_alter().
vertical_tabs_example_form_alter function modules/examples/vertical_tabs_example/vertical_tabs_example.module Implements hook_form_alter().
hook_file_mimetype_mapping_alter function core/modules/system/system.api.php Alter MIME type mappings used to determine MIME type from a file extension.
hook_date_default_argument_alter function core/modules/date/date.api.php Alter the default value for a date argument.
url_alter_test_url_inbound_alter function core/modules/simpletest/tests/url_alter_test.module Implements hook_url_inbound_alter().
hook_date_timezone_process_alter function core/modules/date/date.api.php Alter the date_timezone widget element.
comment_form_node_type_form_alter function core/modules/comment/comment.module Implements hook_form_FORM_ID_alter().
ajax_example_form_node_form_alter function modules/examples/ajax_example/ajax_example_node_form_alter.inc Implements hook_form_FORM_ID_alter().
TaxonomyQueryAlterTestCase::setUp function core/modules/taxonomy/tests/taxonomy.test Sets up a Backdrop site for running functional and integration tests.
hook_path_punctuation_chars_alter function core/modules/path/path.api.php Alter the list of punctuation characters used by Path module.
test_theme_theme_test_alter_alter function core/modules/simpletest/tests/themes/test_theme/template.php Tests a theme implementing an alter hook.
date_date_text_pre_validate_alter function core/modules/date/date.elements.inc Implements hook_date_text_pre_validate_alter().
views_plugin_query_default::alter function core/modules/views/plugins/views_plugin_query_default.inc Let modules modify the query just prior to finalizing it.
hook_page_delivery_callback_alter function core/modules/system/system.api.php Alters the delivery callback used to send the result of the page callback to the browser.
hook_date_text_pre_validate_alter function core/modules/date/date.api.php Alter the date_text element before the rest of the validation is run.
url_alter_test_url_outbound_alter function core/modules/simpletest/tests/url_alter_test.module Implements hook_url_outbound_alter().
LocaleLibraryInfoAlterTest::setUp function core/modules/locale/tests/locale.test Sets up a Backdrop site for running functional and integration tests.
path_form_taxonomy_form_term_alter function core/modules/path/path.module Implements hook_form_FORM_ID_alter() for taxonomy_form_term().
hook_file_upload_skip_fields_alter function core/modules/file/file.api.php Alters skip fields status.
date_form_views_exposed_form_alter function core/modules/date/date.module Implements hook_form_FORM_ID_alter() for views_exposed_form().
hook_redirect_load_by_source_alter function core/modules/redirect/redirect.api.php Alter the list of redirects matching a certain source.
NodeEntityViewModeAlterTest::setUp function core/modules/node/tests/node.test Sets up a Backdrop site for running functional and integration tests.
CommonBackdropAlterTestCase::setUp function core/modules/simpletest/tests/common.test Sets up a Backdrop site for running functional and integration tests.
hook_field_widget_properties_alter function core/modules/field/field.api.php Alters the widget properties of a field instance before it gets displayed.
hook_block_view_MODULE_DELTA_alter function core/modules/layout/layout.api.php Perform alterations to a specific block.
hook_field_attach_preprocess_alter function core/modules/field/field.api.php Alter field_attach_preprocess() variables.
date_field_widget_properties_alter function core/modules/date/date.module Implements hook_field_widget_properties_alter().
field_test_field_attach_view_alter function core/modules/field/tests/field_test/field_test.module Implements hook_field_attach_view_alter().
field_test_field_widget_form_alter function core/modules/field/tests/field_test/field_test.module Implements hook_field_widget_form_alter().
field_ui_form_node_type_form_alter function core/modules/field_ui/field_ui.module Implements hook_form_FORM_ID_alter().
date_form_views_ui_edit_form_alter function core/modules/date/date.module Implements hook_form_FORM_ID_alter() for views_ui_edit_form().
date_date_formatter_pre_view_alter function core/modules/date/date.module Implements hook_date_formatter_view_alter().
layout_contextual_links_view_alter function core/modules/layout/layout.module Implements hook_contextual_links_view_alter()

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