function foo_captcha_uninstall in CAPTCHA Pack 5

Same name and namespace in other branches

1. 8 foo_captcha/foo_captcha.install \foo_captcha_uninstall()
2. 6 foo_captcha/foo_captcha.install \foo_captcha_uninstall()
3. 7 foo_captcha/foo_captcha.install \foo_captcha_uninstall()

On uninstall: remove module variables and clear variable cache

File

foo_captcha/foo_captcha.install, line 6

Code

function foo_captcha_uninstall() {
  db_query("DELETE FROM {variable} WHERE name LIKE 'foo_captcha_%'");
  cache_clear_all('variables', 'cache');
}