add test for bug #70898

Author: weltling

Zend/tests/bug70898.phpt

@@ -0,0 +1,22 @@
+--TEST--
+Bug #70895 null ptr deref and segfault with crafted calable
+--FILE--
+<?php 
+	function m($f,$a){
+		return array_map($f,0);
+	}
+
+	echo implode(m("",m("",m("",m("",m("0000000000000000000000000000000000",("")))))));
+?>
+--EXPECTF--
+Warning: array_map() expects parameter 1 to be a valid callback, function '0000000000000000000000000000000000' not found or invalid function name in %sbug70898.php on line %d
+
+Warning: array_map() expects parameter 1 to be a valid callback, function '' not found or invalid function name in %sbug70898.php on line %d
+
+Warning: array_map() expects parameter 1 to be a valid callback, function '' not found or invalid function name in %sbug70898.php on line %d
+
+Warning: array_map() expects parameter 1 to be a valid callback, function '' not found or invalid function name in %sbug70898.php on line %d
+
+Warning: array_map() expects parameter 1 to be a valid callback, function '' not found or invalid function name in %sbug70898.php on line %d
+
+Warning: implode(): Argument must be an array in %sbug70898.php on line %d