--- /dev/null
+--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