function variable_del

Same name and namespace in other branches

1. 6.x drupal-6.x/includes/bootstrap.inc \variable_del()

Unsets a persistent variable.

Case-sensitivity of the variable_* functions depends on the database collation used. To avoid problems, always use lower case for persistent variable names.

Parameters

$name: The name of the variable to undefine.

See also

variable_get()

variable_set()

75 calls to variable_del()

aggregator_sanitize_configuration in drupal-7.x/modules/aggregator/aggregator.module

Checks and sanitizes the aggregator configuration.

aggregator_uninstall in drupal-7.x/modules/aggregator/aggregator.install

Implements hook_uninstall().

batch_test_stack in drupal-7.x/modules/simpletest/tests/batch_test.module

Helper function: store or retrieve traced execution data.

block_update_7004 in drupal-7.x/modules/block/block.install

Add new blocks to new regions, migrate custom variables to blocks.

blog_uninstall in drupal-7.x/modules/blog/blog.install

Implements hook_uninstall().

... See full list

Archivo

drupal-7.x/includes/bootstrap.inc, line 995

Functions that need to be loaded on every Drupal request.

Código

function variable_del($name) {
  global $conf;

  db_delete('variable')->condition('name', $name)->execute();
  cache_clear_all('variables', 'cache_bootstrap');

  unset($conf[$name]);
}