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Title Object type File name Summary
hook_comment_links_alter function core/modules/comment/comment.api.php Alter the links of a comment.
hook_config_import_steps_alter function core/core.api.php Alter the configuration synchronization steps.
hook_config_schema_info_alter function core/core.api.php Alter config typed data definitions.
hook_config_translation_info_alter function core/modules/config_translation/config_translation.api.php Alter existing translation tabs for translation of configuration.
hook_contextual_links_alter function core/lib/Drupal/Core/Menu/menu.api.php Alter contextual links before they are rendered.
hook_contextual_links_plugins_alter function core/lib/Drupal/Core/Menu/menu.api.php Alter the plugin definition of contextual links.
hook_contextual_links_view_alter function core/modules/contextual/contextual.api.php Alter a contextual links element before it is rendered.
hook_countries_alter function core/core.api.php Alter the default country list.
hook_css_alter function core/lib/Drupal/Core/Render/theme.api.php Alter CSS files before they are output on the page.
hook_data_type_info_alter function core/core.api.php Alter available data types for typed data wrappers.
hook_display_variant_plugin_alter function core/core.api.php Alter display variant plugin definitions.
hook_editor_info_alter function core/modules/editor/editor.api.php Performs alterations on text editor definitions.
hook_editor_js_settings_alter function core/modules/editor/editor.api.php Modifies JavaScript settings that are added for text editors.
hook_editor_xss_filter_alter function core/modules/editor/editor.api.php Modifies the text editor XSS filter that will used for the given text format.
hook_element_info_alter function core/lib/Drupal/Core/Render/theme.api.php Alter the element type information returned from modules.
hook_element_plugin_alter function core/lib/Drupal/Core/Render/theme.api.php Alter Element plugin definitions.
hook_entity_base_field_info_alter function core/lib/Drupal/Core/Entity/entity.api.php Alter base field definitions for a content entity type.
hook_entity_build_defaults_alter function core/lib/Drupal/Core/Entity/entity.api.php Alter entity renderable values before cache checking in drupal_render().
hook_entity_bundle_field_info_alter function core/lib/Drupal/Core/Entity/entity.api.php Alter bundle field definitions.
hook_entity_bundle_info_alter function core/lib/Drupal/Core/Entity/entity.api.php Alter the bundles for entity types.
hook_entity_display_build_alter function core/lib/Drupal/Core/Entity/entity.api.php Alter the render array generated by an EntityDisplay for an entity.
hook_entity_extra_field_info_alter function core/lib/Drupal/Core/Entity/entity.api.php Alter "pseudo-field" components on content entities.
hook_entity_field_access_alter function core/lib/Drupal/Core/Entity/entity.api.php Alter the default access behavior for a given field.
hook_entity_field_storage_info_alter function core/lib/Drupal/Core/Entity/entity.api.php Alter field storage definitions for a content entity type.
hook_entity_form_display_alter function core/lib/Drupal/Core/Entity/entity.api.php Alter the settings used for displaying an entity form.
hook_entity_operation_alter function core/lib/Drupal/Core/Entity/entity.api.php Alter entity operations.
hook_entity_type_alter function core/lib/Drupal/Core/Entity/entity.api.php Alter the entity type definitions.
hook_ENTITY_TYPE_build_defaults_alter function core/lib/Drupal/Core/Entity/entity.api.php Alter entity renderable values before cache checking in drupal_render().
hook_ENTITY_TYPE_view_alter function core/lib/Drupal/Core/Entity/entity.api.php Alter the results of the entity build array for a particular entity type.
hook_entity_view_alter function core/lib/Drupal/Core/Entity/entity.api.php Alter the results of the entity build array.
hook_entity_view_display_alter function core/lib/Drupal/Core/Entity/entity.api.php Alter the settings used for displaying an entity.
hook_entity_view_mode_alter function core/lib/Drupal/Core/Entity/entity.api.php Change the view mode of an entity that is being displayed.
hook_entity_view_mode_info_alter function core/lib/Drupal/Core/Entity/entity.api.php Alter the view modes for entity types.
hook_field_formatter_info_alter function core/modules/field/field.api.php Perform alterations on Field API formatter types.
hook_field_formatter_settings_summary_alter function core/modules/field_ui/field_ui.api.php Alters the field formatter settings summary.
hook_field_info_alter function core/modules/field/field.api.php Perform alterations on Field API field types.
hook_field_ui_preconfigured_options_alter function core/modules/field/field.api.php Perform alterations on preconfigured field options.
hook_field_views_data_alter function core/modules/views/views.api.php Alter the Views data for a single Field API field.
hook_field_views_data_views_data_alter function core/modules/views/views.api.php Alter the Views data on a per field basis.
hook_field_widget_form_alter function core/modules/field/field.api.php Alter forms for field widgets provided by other modules.
hook_field_widget_info_alter function core/modules/field/field.api.php Perform alterations on Field API widget types.
hook_field_widget_multivalue_form_alter function core/modules/field/field.api.php Alter forms for multi-value field widgets provided by other modules.
hook_field_widget_multivalue_WIDGET_TYPE_form_alter function core/modules/field/field.api.php Alter multi-value widget forms for a widget provided by another module.
hook_field_widget_settings_summary_alter function core/modules/field_ui/field_ui.api.php Alters the field widget settings summary.
hook_field_widget_WIDGET_TYPE_form_alter function core/modules/field/field.api.php Alter widget forms for a specific widget provided by another module.
hook_filetransfer_info_alter function core/lib/Drupal/Core/File/file.api.php Alter the FileTransfer class registry.
hook_file_mimetype_mapping_alter function core/lib/Drupal/Core/File/file.api.php Alter MIME type mappings used to determine MIME type from a file extension.
hook_file_url_alter function core/lib/Drupal/Core/File/file.api.php Alter the URL to a file.
hook_filter_info_alter function core/modules/filter/filter.api.php Perform alterations on filter definitions.
hook_filter_secure_image_alter function core/modules/filter/filter.api.php Alters images with an invalid source.

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