--TEST-- Bug #70895 null ptr deref and segfault with crafted callable --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