$err_msg = "php.ini: Safe mode is not supported. If you wish to continue, remove this test from sanity_check.php and proceeed at your own risk. Please note that your bug reports will not be accepted or reviewed.";
}
if (PUBSUBHUBBUB_HUB && !function_exists("curl_init")) {
$err_msg = "PUBSUBHUBBUB_HUB is defined, but CURL functions are not found. CURL is required for PubSubHubbub support.";
if ((PUBSUBHUBBUB_HUB || PUBSUBHUBBUB_ENABLED)&& !function_exists("curl_init")) {
$err_msg = "CURL is required for PubSubHubbub support.";