| check_plain | includes/bootstrap.inc | Encode special characters in a plain-text string for display as HTML. |
| db_query | includes/database.pgsql.inc | Runs a basic query in the active database. |
| db_result | includes/database.pgsql.inc | Return an individual result field from the previous query. |
| do_search | modules/search/search.module | Do a query on the full-text search index for a word or words. |
| drupal_map_assoc | includes/common.inc | Form an associative array from a linear array. |
| drupal_render | includes/common.inc | Renders HTML given a structured array tree. |
| hook_search | developer/hooks/core.php | Define a custom search routine. |
| module_exists | includes/module.inc | Determine whether a given module exists. |
| module_invoke | includes/module.inc | Invoke a hook in a particular module. |
| node_build_content | modules/node/node.module | Builds a structured array representing the node's content. |
| node_get_types | modules/node/node.module | Builds a list of available node types, and returns all of part of this list
in the specified format. |
| node_invoke_nodeapi | modules/node/node.module | Invoke a hook_nodeapi() operation in all modules. |
| node_load | modules/node/node.module | Load a node object from the database. |
| search_excerpt | modules/search/search.module | Returns snippets from a piece of text, with certain keywords highlighted.
Used for formatting search results. |
| search_query_extract | modules/search/search.module | Extract a module-specific search option from a search query. e.g. 'type:book' |
| search_query_insert | modules/search/search.module | Return a query with the given module-specific search option inserted in.
e.g. 'type:book'. |
| t | includes/common.inc | Translate strings to the page language or a given language. |
| theme | includes/theme.inc | Generate the themed output. |
| url | includes/common.inc | Generate a URL from a Drupal menu path. Will also pass-through existing URLs. |
| variable_get | includes/bootstrap.inc | Return a persistent variable. |
| _db_rewrite_sql | includes/database.inc | Helper function for db_rewrite_sql. |
