Documentation & API reference
Functions
Primary tabs
| Name | Location | Description | Direct uses |
Strings |
|---|---|---|---|---|
| text_summary |
drupal/ |
Generate a trimmed, formatted version of a text field value. | 5 | |
| text_field_widget_info |
drupal/ |
Implements hook_field_widget_info(). | ||
| text_field_widget_settings_form |
drupal/ |
Implements hook_field_widget_settings_form(). | ||
| text_field_widget_form |
drupal/ |
Implements hook_field_widget_form(). | ||
| text_field_widget_error |
drupal/ |
Implements hook_field_widget_error(). | ||
| text_field_prepare_translation |
drupal/ |
Implements hook_field_prepare_translation(). | ||
| text_filter_format_update |
drupal/ |
Implements hook_filter_format_update(). | ||
| text_filter_format_disable |
drupal/ |
Implements hook_filter_format_disable(). | ||
| test_theme_theme_test__suggestion |
drupal/ |
Tests a theme overriding a suggestion of a base theme hook. | ||
| test_theme_theme_test_alter_alter |
drupal/ |
Tests a theme implementing an alter hook. | ||
| ajax_set_verification_header |
drupal/ |
Sets a response header for ajax.js to trust the response body. | 2 | |
| ajax_command_update_build_id |
drupal/ |
Creates a Drupal Ajax 'update_build_id' command. | 1 | |
| ajax_command_add_css |
drupal/ |
Creates a Drupal Ajax 'add_css' command. | 2 | |
| file_htaccess_lines |
drupal/ |
Returns the standard .htaccess lines that Drupal writes to file directories. | 2 | |
| file_download_headers |
drupal/ |
Retrieves headers for a private file download. | 3 | |
| file_download_access |
drupal/ |
Checks that the current user has access to a particular file. | 1 | |
| drupal_is_https |
drupal/ |
Checks whether an HTTPS request is being served. | 1 | |
| _drupal_get_filename_fallback |
drupal/ |
Performs a cached file system scan as a fallback when searching for a file. | 1 | |
| _drupal_get_filename_perform_file_scan |
drupal/ |
Performs a file system scan to search for a system resource. | 1 | |
| _drupal_get_filename_fallback_trigger_error |
drupal/ |
Triggers a user-level warning for missing or unexpectedly moved files. | 1 | |
| drupal_file_scan_write_cache |
drupal/ |
Writes the file scan cache to the persistent cache. | 2 | |
| drupal_random_key |
drupal/ |
Returns a URL-safe, base64 encoded string of highly randomized bytes (over the full 8-bit range). | 12 | |
| drupal_base64_encode |
drupal/ |
Returns a URL-safe, base64 encoded version of the supplied string. | 1 | |
| drupal_check_memory_limit |
drupal/ |
Compares the memory required for an operation to the available memory. | 4 | |
| drupal_clear_opcode_cache |
drupal/ |
Invalidates a PHP file from any active opcode caches. | 1 | |
| _drupal_parse_response_status |
drupal/ |
Splits an HTTP response status line into components. | 2 | |
| drupal_array_diff_assoc_recursive |
drupal/ |
Recursively computes the difference of arrays with additional index check. | 1 | |
| drupal_schema_field_types |
drupal/ |
Retrieves the type for every field in a table schema. | 1 | |
| entity_view_mode_prepare |
drupal/ |
Invoke hook_entity_view_mode_alter(). | 7 | |
| _drupal_invalid_token_set_form_error |
drupal/ |
Helper function to call form_set_error() if there is a token error. | 2 | |
| form_type_textarea_value |
drupal/ |
Determines the value for a textarea form element. | 1 | |
| _theme_render_template_debug |
drupal/ |
Renders a template for any engine. | 1 | |
| _menu_check_rebuild |
drupal/ |
Checks whether a menu_rebuild() is necessary. | 2 | |
| openid_update_7000 |
drupal/ |
Bind associations to their providers. | ||
| hook_system_theme_engine_info |
drupal/ |
Return additional theme engines provided by modules. | ||
| hook_help |
drupal/ |
Provide online user help. | ||
| callback_queue_worker |
drupal/ |
Work on a single queue item. | ||
| callback_batch_operation |
drupal/ |
Perform a single batch operation. | ||
| callback_batch_finished |
drupal/ |
Complete a batch process. | ||
| _system_check_db_utf8mb4_requirements |
drupal/ |
Checks whether the requirements for multi-byte UTF-8 support are met. | 1 | |
| system_update_7079 |
drupal/ |
Convert the 'filesize' column in {file_managed} to a bigint. | ||
| system_update_7080 |
drupal/ |
Convert the 'format' column in {date_format_locale} to case sensitive varchar. | ||
| system_update_7081 |
drupal/ |
Remove the Drupal 6 default install profile if it is still in the database. | ||
| aggregator_update_7004 |
drupal/ |
Add index on timestamp. | ||
| field_update_7004 |
drupal/ |
Grant the new "administer fields" permission to trusted users. | ||
| field_permission |
drupal/ |
Implements hook_permission(). | ||
| node_update_7014 |
drupal/ |
Add an index on {node}.language. | ||
| node_update_7015 |
drupal/ |
Enable node types that may have been erroneously disabled in Drupal 7.36. | ||
| node_update_7016 |
drupal/ |
Change {history}.nid to an unsigned int in order to match {node}.nid. | ||
| hook_block_cid_parts_alter |
drupal/ |
Act on block cache ID (cid) parts before the cid is generated. |