function _recaptcha_server_is_up in reCAPTCHA 7

Same name and namespace in other branches

1. 6 recaptcha.module \_recaptcha_server_is_up()

Return the cached output of _recaptcha_test_recaptcha_server().

Return value

bool TRUE if the reCAPTCHA server was up last time it was checked, FALSE otherwise.

3 calls to _recaptcha_server_is_up()

ReCaptchaServerStatusTestCase::testServerStatusCache in tests/recaptcha_server_status.test

recaptcha_captcha in ./recaptcha.module

Implements hook_captcha().

recaptcha_captcha_validation in ./recaptcha.module

CAPTCHA Callback; Validates the reCAPTCHA code.

File

./recaptcha.module, line 200

Uses the reCAPTCHA web service to improve the CAPTCHA system.

Code

function _recaptcha_server_is_up() {
  static $server_status;

  // Use static cache value, if available.
  if (isset($server_status)) {
    return $server_status;
  }

  // Check if the status is cached already.
  $status_cache = cache_get('recaptcha_server_status');
  if ($status_cache !== FALSE) {
    $server_status = (bool) $status_cache;
    return $server_status;
  }

  // Status is not cached. Check if server is up.
  $server_status = _recaptcha_test_recaptcha_server();

  // Set to 5 minutes, if interval is not set.
  $cache_period = variable_get('recaptcha_server_status_check_interval', 5);

  // Save it as integer as cache_get returns FALSE, if not found.
  cache_set('recaptcha_server_status', (int) $server_status, 'cache', time() + $cache_period * 60);
  return $server_status;
}