Executes the plugin.
Overrides ExecutableInterface::execute
public function execute($account = NULL) {
// Skip blocking user if they are already blocked.
if ($account !== FALSE && $account->status->value == 1) {
// For efficiency manually save the original account before applying any
// changes.
$account->original = clone $account;
$account->status = 0;
$account
->save();
}
}