function module_exists

7.x module.inc module_exists($module)
6.x module.inc module_exists($module)

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.

31 calls to module_exists()
block_admin_display_form in drupal-6.x/modules/block/block.admin.inc
Generate main blocks administration form.
block_help in drupal-6.x/modules/block/block.module
Implementation of hook_help().
blogapi_mt_validate_terms in drupal-6.x/modules/blogapi/blogapi.module
Blogging API helper - find allowed taxonomy terms for a node type.
chameleon_node in drupal-6.x/themes/chameleon/chameleon.theme
contact_help in drupal-6.x/modules/contact/contact.module
Implementation of hook_help().

... See full list

File

drupal-6.x/includes/module.inc, line 243
API for loading and interacting with Drupal modules.

Code

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