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| Title | Object type | File name | Summary |
|---|---|---|---|
| _drupal_log_error | function | includes/ |
Logs a PHP error or exception and displays an error page in fatal cases. |
| _drupal_maintenance_theme | function | includes/ |
Sets up the theming system for maintenance page. |
| _drupal_mkdir_call | function | includes/ |
Helper function. Ensures we don't pass a NULL as a context resource to mkdir(). |
| _drupal_parse_response_status | function | includes/ |
Splits an HTTP response status line into components. |
| _drupal_render_exception_safe | function | includes/ |
Renders an exception error message without further exceptions. |
| _drupal_samesite_cookie | function | includes/ |
Determine the value for the samesite cookie attribute, in the following order of precedence: |
| _drupal_schema_initialize | function | includes/ |
Fills in required default values for table definitions from hook_schema(). |
| _drupal_session_close | function | includes/ |
Session handler assigned by session_set_save_handler(). |
| _drupal_session_delete_cookie | function | includes/ |
Deletes the session cookie. |
| _drupal_session_destroy | function | includes/ |
Session handler assigned by session_set_save_handler(). |
| _drupal_session_garbage_collection | function | includes/ |
Session handler assigned by session_set_save_handler(). |
| _drupal_session_open | function | includes/ |
Session handler assigned by session_set_save_handler(). |
| _drupal_session_read | function | includes/ |
Reads an entire session from the database (internal use only). |
| _drupal_session_regenerate_existing | function | includes/ |
Regenerates an existing session. |
| _drupal_session_write | function | includes/ |
Writes an entire session to the database (internal use only). |
| _drupal_set_preferred_header_name | function | includes/ |
Sets the preferred name for the HTTP header. |
| _drupal_should_strip_sensitive_headers_on_http_redirect | function | includes/ |
Determine whether to strip sensitive headers from a request when redirected. |
| _drupal_shutdown_function | function | includes/ |
Executes registered shutdown functions. |
| _drupal_strip_error_file_path | function | includes/ |
Strip full path information from error details. |
| _drupal_theme_access | function | includes/ |
Helper function for determining access to a theme. |
| _drupal_theme_initialize | function | includes/ |
Initializes the theme system given already loaded information. |
| _drupal_trigger_error_with_delayed_logging | function | includes/ |
Invokes trigger_error() with logging delayed until the end of the request. |
| _drupal_wrap_mail_line | function | includes/ |
Wraps words on a single line. |
| _element_validate_integer | function | modules/ |
DEPRECATED: Helper form element validator: integer. |
| _element_validate_integer_positive | function | modules/ |
DEPRECATED: Helper form element validator: integer > 0. |
| _element_validate_number | function | modules/ |
DEPRECATED: Helper form element validator: number. |
| _field_extra_fields_pre_render | function | modules/ |
Pre-render callback to adjust weights and visibility of non-field elements. |
| _field_filter_items | function | modules/ |
Helper function to filter out empty field values. |
| _field_filter_xss_allowed_tags | function | modules/ |
List of tags allowed by field_filter_xss(). |
| _field_filter_xss_display_allowed_tags | function | modules/ |
Human-readable list of allowed tags, for display in help texts. |
| _field_form_state_parents | function | modules/ |
Returns the location of processing information within $form_state. |
| _field_info_collate_fields | function | modules/ |
Collates all information on existing fields and instances. |
| _field_info_collate_types | function | modules/ |
Collates all information on field types, widget types and related structures. |
| _field_info_field_cache | function | modules/ |
Retrieves the FieldInfo object for the current request. |
| _field_info_prepare_extra_fields | function | modules/ |
Prepares 'extra fields' for the current run-time context. |
| _field_info_prepare_field | function | modules/ |
Prepares a field definition for the current run-time context. |
| _field_info_prepare_instance | function | modules/ |
Prepares an instance definition for the current run-time context. |
| _field_info_prepare_instance_display | function | modules/ |
Adapts display specifications to the current run-time context. |
| _field_info_prepare_instance_widget | function | modules/ |
Prepares widget specifications for the current run-time context. |
| _field_invoke | function | modules/ |
Invoke a field hook. |
| _field_invoke_default | function | modules/ |
Invoke field.module's version of a field hook. |
| _field_invoke_get_instances | function | modules/ |
Helper for _field_invoke(): retrieves a list of instances to operate on. |
| _field_invoke_multiple | function | modules/ |
Invoke a field hook across fields on multiple entities. |
| _field_invoke_multiple_default | function | modules/ |
Invoke field.module's version of a field hook on multiple entities. |
| _field_language_suggestion | function | modules/ |
Process the given language suggestion based on the available languages. |
| _field_sort_items | function | modules/ |
Helper function to sort items in a field according to user drag-n-drop reordering. |
| _field_sort_items_helper | function | modules/ |
Sort function for items order. (copied form element_sort(), which acts on #weight keys) |
| _field_sort_items_value_helper | function | modules/ |
Same as above, using ['_weight']['#value'] |
| _field_sql_storage_columnname | function | modules/ |
Generate a column name for a field data table. |
| _field_sql_storage_indexname | function | modules/ |
Generate an index name for a field data table. |
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