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function module_exists in Drupal 5

Same name and namespace in other branches
  1. 6 includes/module.inc \module_exists()
  2. 7 includes/module.inc \module_exists()

Determine whether a given module exists.

Parameters

$module: The name of the module (without the .module extension).

Return value

TRUE if the module is both installed and enabled.

22 calls to module_exists()
block_admin_display in modules/block/block.module
Generate main block administration form.
blogapi_mt_validate_terms in modules/blogapi/blogapi.module
Blogging API helper - find allowed taxonomy terms for a node type.
chameleon_node in themes/chameleon/chameleon.theme
contact_help in modules/contact/contact.module
Implementation of hook_help().
menu_primary_links in includes/menu.inc
Returns an array containing the primary links. Can optionally descend from the root of the Primary links menu towards the current node for a specified number of levels and return that submenu. Used to generate a primary/secondary menu from different…

... See full list

File

includes/module.inc, line 214
API for loading and interacting with Drupal modules.

Code

function module_exists($module) {
  $list = module_list();
  return array_key_exists($module, $list);
}