Documentation & API reference
Functions
Primary tabs
| Name | Location | Description |
Direct uses |
Strings |
|---|---|---|---|---|
| t |
drupal/ |
Translates a string to the current language or to a given language. | 2,423 | 57 |
| url |
drupal/ |
Generates an internal or external URL. | 302 | 23 |
| format_string |
drupal/ |
Replaces placeholders with sanitized values in a string. | 281 | 1 |
| drupal_set_message |
drupal/ |
Sets a message to display to the user. | 264 | |
| check_plain |
drupal/ |
Encodes special characters in a plain-text string for display as HTML. | 262 | 15 |
| variable_get |
drupal/ |
Returns a persistent variable. | 233 | 1 |
| theme |
drupal/ |
Generates themed output. | 230 | 46 |
| drupal_static |
drupal/ |
Provides central static variable storage. | 187 | |
| drupal_get_path |
drupal/ |
Returns the path to a system item (module, theme, etc.). | 178 | 1 |
| user_access |
drupal/ |
Determine whether the user has a given privilege. | 168 | 18 |
| views_get_view |
drupal/ |
Loads a view from configuration. | 163 | 2 |
| l |
drupal/ |
Formats an internal or external URL link as an HTML anchor tag. | 138 | 31 |
| config |
drupal/ |
Retrieves a configuration object. | 137 | 6 |
| entity_create |
drupal/ |
Constructs a new entity object, without permanently saving it. | 136 | |
| module_invoke_all |
drupal/ |
Invokes a hook in all enabled modules that implement it. | 133 | |
| watchdog |
drupal/ |
Logs a system message. | 124 | 4 |
| drupal_render |
drupal/ |
Renders HTML given a structured array tree. | 123 | 1 |
| variable_set |
drupal/ |
Sets a persistent variable. | 121 | |
| db_select |
drupal/ |
Returns a new SelectQuery object for the active database. | 121 | |
| drupal_static_reset |
drupal/ |
Resets one or all centrally stored static variable(s). | 100 | |
| db_query |
drupal/ |
Executes an arbitrary query string against the active database. | 93 | 3 |
| drupal_alter |
drupal/ |
Passes alterable variables to specific hook_TYPE_alter() implementations. | 93 | 2 |
| module_exists |
drupal/ |
Determines whether a given module exists. | 92 | 1 |
| field_create_instance |
drupal/ |
Creates an instance of a field, binding it to a bundle. | 92 | |
| field_create_field |
drupal/ |
Creates a field. | 90 | |
| form_set_error |
drupal/ |
Files an error against a form element. | 88 | 1 |
| field_info_field |
drupal/ |
Returns data about an individual field, given a field name. | 86 | |
| drupal_set_title |
drupal/ |
Sets the title of the current page. | 81 | |
| element_children |
drupal/ |
Identifies the children of an element array, optionally sorted by weight. | 80 | |
| node_load |
drupal/ |
Loads a node entity from the database. | 80 | |
| module_invoke |
drupal/ |
Invokes a hook in a particular module. | 75 | |
| language_list |
drupal/ |
Returns a list of languages set up on the site. | 72 | 17 |
| module_implements |
drupal/ |
Determines which modules are implementing a hook. | 70 | 4 |
| entity_get_info |
drupal/ |
Gets the entity definition for an entity type. | 69 | 1 |
| drupal_strtolower |
drupal/ |
Lowercase a UTF-8 string. | 68 | |
| format_date |
drupal/ |
Formats a date, using a date type or a custom date format string. | 65 | |
| format_plural |
drupal/ |
Formats a string containing a count of items. | 64 | |
| module_load_include |
drupal/ |
Loads a module include file. | 59 | |
| language |
drupal/ |
Returns the language object for a given language type. | 57 | 51 |
| entity_load |
drupal/ |
Loads an entity from the database. | 55 | |
| file_load |
drupal/ |
Loads a single file entity from the database. | 53 | |
| drupal_map_assoc |
drupal/ |
Forms an associative array from a linear array. | 51 | |
| field_info_instance |
drupal/ |
Returns an array of instance data for a specific field and bundle. | 51 | |
| drupal_add_js |
drupal/ |
Adds a JavaScript file, setting, or inline code to the page. | 49 | 10 |
| user_load |
drupal/ |
Loads a user object. | 49 | |
| current_path |
drupal/ |
Return the current URL path of the page being viewed. | 47 | |
| confirm_form |
drupal/ |
Generates a form array for a confirmation form. | 45 | |
| form_error |
drupal/ |
Flags an element as having an error. | 43 | |
| file_create_url |
drupal/ |
Creates a web-accessible URL for a stream to an external or local file. | 42 | |
| drupal_realpath |
drupal/ |
Returns the absolute local filesystem path of a stream URI. | 42 |