db_is_active
- 6 – 7
db_is_active()
Returns a boolean depending on the availability of the database.
Related topics
- Database abstraction layer
- Allow the use of different database servers using the same code base.
- drupal_get_filename in includes/bootstrap.inc
- Returns and optionally sets the filename for a system item (module,
theme, etc.). The filename, whether provided, cached, or retrieved
from the database, is only returned if the file exists.
- list_themes in includes/theme.inc
- Provides a list of currently available themes.
- template_preprocess in includes/theme.inc
- Adds a default set of helper variables for preprocess functions and
templates. This comes in before any other preprocess function which makes
it possible to be used in default theme implementations (non-overriden
theme functions).
- _drupal_maintenance_theme in includes/theme.maintenance.inc
- Sets up the theming system for site installs, updates and when the site is
in off-line mode. It also applies when the database is unavailable.
Code
includes/database.inc, line 193
<?php
function db_is_active() {
global $active_db;
return !empty($active_db);
}
?>
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