function module_exists in Drupal 7

Same name and namespace in other branches

1. 5 includes/module.inc \module_exists()
2. 6 includes/module.inc \module_exists()

Determines whether a given module exists.

Parameters

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

Return value

bool TRUE if the module is both installed and enabled, FALSE otherwise.

43 calls to module_exists()

aggregator_sanitize_configuration in modules/aggregator/aggregator.module

Checks and sanitizes the aggregator configuration.

aggregator_save_category in modules/aggregator/aggregator.module

Adds/edits/deletes aggregator categories.

aggregator_save_feed in modules/aggregator/aggregator.module

Add/edit/delete an aggregator feed.

bartik_process_html in themes/bartik/template.php

Override or insert variables into the page template for HTML output.

bartik_process_page in themes/bartik/template.php

Override or insert variables into the page template.

... See full list

File

includes/module.inc, line 278

API for loading and interacting with Drupal modules.

Code

function module_exists($module) {
  $list = module_list();
  return isset($list[$module]);
}