function module_exists | Documentation

1 module.inc module_exists($module)

Determines whether a given module exists.

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

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

155 calls to module_exists()

admin_bar_admin_bar_replacements in core/modules/admin_bar/admin_bar.module: Implements hook_admin_bar_replacements().
admin_bar_locale_links in core/modules/admin_bar/admin_bar.module: Build Locale links.
admin_bar_theme_settings in core/modules/admin_bar/admin_bar.inc: Form builder function for module settings.
BareUpgradePathTestCase::testBareUpgrade in core/modules/simpletest/tests/upgrade/upgrade_bare.test: Test a successful upgrade.
BlockBroken::getAdminPreview in core/modules/layout/includes/block.class.inc

core/includes/module.inc, line 277: API for loading and interacting with Backdrop modules.

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