1 bootstrap.inc | variable_del($name) |
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
$name: The name of the variable to undefine.
Deprecated
since 1.0
See also
File
- core/
includes/ bootstrap.inc, line 1281 - Functions that need to be loaded on every Backdrop request.
Code
function variable_del($name) {
global $conf;
watchdog_deprecated_function('bootstrap', __FUNCTION__);
db_delete('variable')
->condition('name', $name)
->execute();
cache('bootstrap')->delete('variables');
unset($conf[$name]);
}