$t('cURL'), 'value' => $has_curl ? $t('Enabled') : $t('Not found'), ); if (!$has_curl) { $requirements['commerce_paypal_wpp_curl'] += array( 'severity' => REQUIREMENT_ERROR, 'description' => $t("PayPal WPP requires the PHP cURL library.", array('!curl_url' => 'http://php.net/manual/en/curl.setup.php')), ); } return $requirements; }