1 files changed, 23 insertions, 0 deletions
diff --git a/tests/output/ob_start_error_005.phpt b/tests/output/ob_start_error_005.phpt
new file mode 100644
index 0000000000..3e503c6354
--- /dev/null
+++ b/tests/output/ob_start_error_005.phpt
@@ -0,0 +1,23 @@
+--TEST--
+ob_start(): ensure buffers can't be added from within callback.
+--FILE--
+<?php
+
+/* 
+ * proto bool ob_start([ string|array user_function [, int chunk_size [, bool erase]]])
+ * Function is implemented in main/output.c
+*/ 
+
+function f($str) {
+	ob_start();
+	echo "hello";
+	ob_end_flush();
+	return $str;
+}
+
+
+var_dump(ob_start('f'));
+echo "done";
+?>
+--EXPECTF--
+Fatal error: ob_start(): Cannot use output buffering in output buffering display handlers in %s on line 9
+\ No newline at end of file