function math_captcha_uninstall in CAPTCHA Pack 6

Same name and namespace in other branches

1. 8 math_captcha/math_captcha.install \math_captcha_uninstall()
2. 5 math_captcha/math_captcha.install \math_captcha_uninstall()
3. 7 math_captcha/math_captcha.install \math_captcha_uninstall()

On uninstall: remove module variables and clear variable cache

File

math_captcha/math_captcha.install, line 6

Code

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