+
+ if (
+#if defined(PHP_VERSION_ID) && (PHP_VERSION_ID >= 50399)
+ OG(active) && (OG(active)->flags & PHP_OUTPUT_HANDLER_FLUSHABLE) &&
+#else
+ !OG(ob_lock) &&
+#endif
+ !php_ob_handler_used("zlib output compression" TSRMLS_CC) && !php_ob_handler_used("ob_gzhandler" TSRMLS_CC)) {