if (mode & PHP_OUTPUT_HANDLER_START) {
if (HTTP_G(etag_started)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "ob_etaghandler can only be used once");
if (mode & PHP_OUTPUT_HANDLER_START) {
if (HTTP_G(etag_started)) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "ob_etaghandler can only be used once");