variable_del
Definition
variable_del($name)
drupal/includes/bootstrap.inc, line 634
Description
Unset a persistent variable.
Parameters
$name The name of the variable to undefine.
Code
function variable_del($name) {
global $conf;
db_delete('variable')
->condition('name', $name)
->execute();
cache_clear_all('variables', 'cache');
unset($conf[$name]);
}